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1l59r9mlm | chemistry | alcohols-phenols-and-ethers | properties,-preparation-and-uses-of-phenols | <p>In the given reaction</p>
<p><img src="data:image/png;base64,UklGRgYNAABXRUJQVlA4IPoMAACwkwCdASoAAwwBP4G+12S2MD+nIjP6E/AwCWlu4W8hG/Pb8w/8C1Js4+0vdP9VWIKr35spfzj9C0oKBbF9XFGi0gs4dElBQLYvqdeBNx9z+2+QP9KZEYXizfUn8xt2n+NL01LuUbtpempdyjdtL01LmYNM5gz/UTKKZBSPrK+wtILOGVyjdtL01LuUbtpempdyjdtL01LuTX4cGL1bF9XEZ2g1GpbeqWp54svv... | [{"identifier": "A", "content": "benzyl bromide"}, {"identifier": "B", "content": "bromobenzene"}, {"identifier": "C", "content": "cyclohexyl bromide"}, {"identifier": "D", "content": "methyl bromide"}] | ["B"] | null | <img src="https://app-content.cdn.examgoal.net/fly/@width/image/1l9xod5zm/1e92f0c8-a157-40a2-aca5-2ceeb90c2efe/b70b3720-5998-11ed-8313-678a7ff0eccc/file-1l9xod5zn.png?format=png" data-orsrc="https://app-content.cdn.examgoal.net/image/1l9xod5zm/1e92f0c8-a157-40a2-aca5-2ceeb90c2efe/b70b3720-5998-11ed-8313-678a7ff0eccc/fi... | mcq | jee-main-2022-online-25th-june-evening-shift | 126 |
1l5am5ugd | chemistry | alcohols-phenols-and-ethers | properties,-preparation-and-uses-of-phenols | <p>The intermediate X, in the reaction :</p>
<p><img src="data:image/png;base64,UklGRkYOAABXRUJQVlA4IDoOAAAwwwCdASoAAwUCP4HA2WY2MCynIVRJAsAwCWlu/HyZilRnZ19/q5/qLV/UMzy9ouJLh/M6P//n20+fX/j8Be+jm4ZfIKnNrtxle4qaesJ49vSO/XFpyGmDneGXyCpSxlIQXFlaQguLKzwEw1lj16YUFs3AKDyBi9KkS+QVObXb0c3DHgdpCC4srSEFxZXECbkXAuahTy1twRZlzw05DTBz... | [{"identifier": "A", "content": "<img src=\"https://app-content.cdn.examgoal.net/fly/@width/image/1l5bsdgi3/5dd2c60f-1343-4c30-87a8-aa7d525b846b/47e0f9b0-fe5e-11ec-b169-b5046c590266/file-1l5bsdgi4.png?format=png\" data-orsrc=\"https://app-content.cdn.examgoal.net/image/1l5bsdgi3/5dd2c60f-1343-4c30-87a8-aa7d525b846b/47e... | ["C"] | null | <img src="https://app-content.cdn.examgoal.net/fly/@width/image/1l8mctlk1/9c2f6af7-5732-46d6-8edd-1cb1a61bc5a0/bbf16d10-3f92-11ed-af9d-134e99e746ec/file-1l8mctlk2.png?format=png" data-orsrc="https://app-content.cdn.examgoal.net/image/1l8mctlk1/9c2f6af7-5732-46d6-8edd-1cb1a61bc5a0/bbf16d10-3f92-11ed-af9d-134e99e746ec/fi... | mcq | jee-main-2022-online-25th-june-morning-shift | 127 |
1l6gqp075 | chemistry | alcohols-phenols-and-ethers | properties,-preparation-and-uses-of-phenols | <p>The difference in the reaction of phenol with bromine in chloroform and bromine in water medium is due to :</p>
| [{"identifier": "A", "content": "Hyperconjugation in substrate"}, {"identifier": "B", "content": "Polarity of solvent"}, {"identifier": "C", "content": "Free radical formation"}, {"identifier": "D", "content": "Electromeric effect the substrate"}] | ["B"] | null | Phenol gives different products with bromine in
chloroform and water medium due to the polarity
difference between chloroform and water acting as
solvent | mcq | jee-main-2022-online-26th-july-morning-shift | 129 |
1l6gqv2dw | chemistry | alcohols-phenols-and-ethers | properties,-preparation-and-uses-of-phenols | <p>The major product of the following reaction is</p>
<p><img src="data:image/png;base64,UklGRqIMAABXRUJQVlA4IJYMAAAwpACdASoAA1gBP4G+12U2L7+nIhG5s/AwCWlu4XJ0NmNwu556/x/WwyYdurtXxVUShXvz4//sj/+6dE3//+qH79Ezv+dllVYBrBHOf+EwpxH6yhBNTAi0z/8Kf5tbZnpJ9io0jv9pG13NkloVMM2A+3f87LKqwDi4w1lGYBb69DHs4j4ExZCfb9iGNWgdPoK94fHriPJ6phm... | [{"identifier": "A", "content": "<img src=\"https://app-content.cdn.examgoal.net/fly/@width/image/1l6hzgbu2/17c1bbaf-7075-451d-abe0-144f3e56ae4f/e2e154a0-1592-11ed-abd2-c5f8c222b719/file-1l6hzgbu3.png?format=png\" data-orsrc=\"https://app-content.cdn.examgoal.net/image/1l6hzgbu2/17c1bbaf-7075-451d-abe0-144f3e56ae4f/e2e... | ["A"] | null | <img src="https://app-content.cdn.examgoal.net/fly/@width/image/1lc5mflan/1d902e91-e832-4a91-a472-e7053e7df5cc/dc2e41f0-858f-11ed-a4e1-239777dab634/file-1lc5mflao.png?format=png" data-orsrc="https://app-content.cdn.examgoal.net/image/1lc5mflan/1d902e91-e832-4a91-a472-e7053e7df5cc/dc2e41f0-858f-11ed-a4e1-239777dab634/fi... | mcq | jee-main-2022-online-26th-july-morning-shift | 130 |
1l6i5icdc | chemistry | alcohols-phenols-and-ethers | properties,-preparation-and-uses-of-phenols | <p>Hydrolysis of which compound will give carbolic acid?</p> | [{"identifier": "A", "content": "Cumene"}, {"identifier": "B", "content": "Benzenediazonium chloride"}, {"identifier": "C", "content": "Benzal chloride"}, {"identifier": "D", "content": "Ethylene glycol ketal"}] | ["B"] | null | <p>Phenol, is known as Carbolic acid.</p>
<p>Diazonium salt are hydrolysed to phonols.</p>
<p><img src="https://app-content.cdn.examgoal.net/fly/@width/image/1lc8le42s/896e25ad-de4a-4457-a63a-6783ef8a9a5f/23e3f550-8732-11ed-806b-d74011098e63/file-1lc8le42t.png?format=png" data-orsrc="https://app-content.cdn.examgoal.ne... | mcq | jee-main-2022-online-26th-july-evening-shift | 131 |
1l6jlvcyt | chemistry | alcohols-phenols-and-ethers | properties,-preparation-and-uses-of-phenols | <p><img src="data:image/png;base64,UklGRnQMAABXRUJQVlA4IGgMAAAQuACdASoAA+cBP4G812Y2LqwnIVCZEsAwCWlu4WbFdmNwvj6ItRdwPZx7YcTxDwcBedvRLMmP//1GffoYcQ5kL2xPjMgV5LMeC3DHsZizuc4D1TVaq5saW4wwwIf3yjgEFX1lUgWYtRsnD1S0u6IdSdXdEOpOruh0j/BOHUxRnTqhXdYGSlQYheAv8Q6j5Up6b6LWrVLo1q7f1a13L22tKkfBcWMm1pUj4Lixk2y+xk2UVHo7OFWZ/DMejv6xUU3B7... | [{"identifier": "A", "content": "<img src=\"https://app-content.cdn.examgoal.net/fly/@width/image/1l6kr0lq4/257e63f7-82b5-4b90-8066-11605d3d199e/3e7d33c0-1718-11ed-82db-9f73654e4206/file-1l6kr0lq5.png?format=png\" data-orsrc=\"https://app-content.cdn.examgoal.net/image/1l6kr0lq4/257e63f7-82b5-4b90-8066-11605d3d199e/3e7... | ["A"] | null | <p><img src="https://app-content.cdn.examgoal.net/fly/@width/image/1l7nrm4h4/1e2d2e44-2587-4691-8bda-7156d8ef9b1b/264aca80-2c8d-11ed-a521-1f85f535c206/file-1l7nrm4h5.png?format=png" data-orsrc="https://app-content.cdn.examgoal.net/image/1l7nrm4h4/1e2d2e44-2587-4691-8bda-7156d8ef9b1b/264aca80-2c8d-11ed-a521-1f85f535c206... | mcq | jee-main-2022-online-27th-july-morning-shift | 132 |
1l6jo6l89 | chemistry | alcohols-phenols-and-ethers | properties,-preparation-and-uses-of-phenols | <p>In the following reaction</p>
<p><img src="data:image/png;base64,UklGRtQYAABXRUJQVlA4IMgYAADQfQCdASoAA9AAPm00lkkkIqKhIlL6EIANiWlu8mW96axiN+cP4g/sn40eBX+P/K/0F/GPl/8B/YP3M9ejMf5n/Xea38m+1X6b/A/kL84v1L/Zf37xX+EuoL+O/yD/Afm5/ePUN2R2qf6f0Avar6J/2P7X+8fnif4HoJ4gH5k+Wp4O39D1AP1F6rv9V/9/+B52fqv2B/1o/4H927OH74+0uN59ed3d3d3d... | [] | null | 30 | <img src="https://app-content.cdn.examgoal.net/fly/@width/image/1l7ohkyul/9625ee75-c8ba-4fa7-8609-6a3843eb2d0e/b37ec1d0-2cf2-11ed-ae64-d1a5504bfed9/file-1l7ohkyum.png?format=png" data-orsrc="https://app-content.cdn.examgoal.net/image/1l7ohkyul/9625ee75-c8ba-4fa7-8609-6a3843eb2d0e/b37ec1d0-2cf2-11ed-ae64-d1a5504bfed9/fi... | integer | jee-main-2022-online-27th-july-morning-shift | 133 |
1l6mdg2kp | chemistry | alcohols-phenols-and-ethers | properties,-preparation-and-uses-of-phenols | <p>Identify the major products A and B for the below given reaction sequence.</p>
<p><img src="data:image/png;base64,UklGRrINAABXRUJQVlA4IKYNAAAQogCdASoAA0cBP4G82GU2LysnIdH5ssAwCWlu/ELZM5tHZ18/rF/svBziM2dfa7MEBl7vntO43uW1jkRcKVF+MD5yETLBP3ruMP2f5H0RFwpUX4x+zyPoiKZ1GzHUXaiCH3ylqWSnKxas2n8TFFsciLhSovxj9nkfQ9Lvfn/9+4lf+1B... | [{"identifier": "A", "content": "<img src=\"https://app-content.cdn.examgoal.net/fly/@width/image/1l6rwl7sc/56109a56-2495-4083-8f14-3041c7c51d75/85e7dec0-1b07-11ed-b7a9-79e6877f3a95/file-1l6rwl7sd.png?format=png\" data-orsrc=\"https://app-content.cdn.examgoal.net/image/1l6rwl7sc/56109a56-2495-4083-8f14-3041c7c51d75/85e... | ["B"] | null | <img src="https://app-content.cdn.examgoal.net/fly/@width/image/1l7ox7xhb/48b0204f-35b8-42b3-a384-e5696d6d3fc2/dafc6400-2d2f-11ed-b144-5949e1cb6ba8/file-1l7ox7xhc.png?format=png" data-orsrc="https://app-content.cdn.examgoal.net/image/1l7ox7xhb/48b0204f-35b8-42b3-a384-e5696d6d3fc2/dafc6400-2d2f-11ed-b144-5949e1cb6ba8/fi... | mcq | jee-main-2022-online-28th-july-morning-shift | 134 |
1ldojxdr2 | chemistry | alcohols-phenols-and-ethers | properties,-preparation-and-uses-of-phenols | <p>Decreasing order of dehydration of the following alcohols is</p>
<p><img src="data:image/png;base64,UklGRnAPAABXRUJQVlA4IGQPAACwWQCdASoAA4IAPm02mEgkIyKhJRRZ6IANiWlu+F9JyzH53NGSlV6C/xnb90PnvfP3xt9YmaX7Dfsv8B7hux/9+8QV1XaHdV3qNTFPcXUA/j3hi+CLQC8WD/08xP1lwJiBUe6t+ga7eyx0rDtXm73R+qGllkxHuyV0GWIYsmrzd5T1Q/zLO9eyt6/mY5Te2... | [{"identifier": "A", "content": "d > b > c > a"}, {"identifier": "B", "content": "b > d > c > a"}, {"identifier": "C", "content": "a > d > b > c"}, {"identifier": "D", "content": "b > a > d > c"}] | ["B"] | null | Dehydration of alcohol is directly proportional to
the stability of first carbocation.
<br><br><img src="https://app-content.cdn.examgoal.net/fly/@width/image/1lf64iu9h/44d14dcb-e270-4a58-bb3a-414cd2aa757a/41082f00-c13b-11ed-9d9d-61299f4904d4/file-1lf64iub4.png?format=png" data-orsrc="https://app-content.cdn.examgoal.... | mcq | jee-main-2023-online-1st-february-morning-shift | 136 |
1ldppakyz | chemistry | alcohols-phenols-and-ethers | properties,-preparation-and-uses-of-phenols | <p>An organic compound 'A' with emperical formula $$\mathrm{C}_{6} \mathrm{H}_{6} \mathrm{O}$$ gives sooty flame on burning. Its reaction with bromine solution in low polarity solvent results in high yield of B. B is</p> | [{"identifier": "A", "content": "<img src=\"https://app-content.cdn.examgoal.net/fly/@width/image/1ldq1aqfp/7fd9c603-7390-4018-a4b3-852ffb862eb7/e2692f60-a495-11ed-8eb4-ef270ed2fedb/file-1ldq1aqfq.png?format=png\" data-orsrc=\"https://app-content.cdn.examgoal.net/image/1ldq1aqfp/7fd9c603-7390-4018-a4b3-852ffb862eb7/e26... | ["D"] | null | <img src="https://app-content.cdn.examgoal.net/fly/@width/image/1leh9et3e/ad850966-72ef-4f2a-a30c-76460fc4a9bd/c644a9b0-b38e-11ed-96ad-459254a85a5f/file-1leh9et3f.png?format=png" data-orsrc="https://app-content.cdn.examgoal.net/image/1leh9et3e/ad850966-72ef-4f2a-a30c-76460fc4a9bd/c644a9b0-b38e-11ed-96ad-459254a85a5f/fi... | mcq | jee-main-2023-online-31st-january-morning-shift | 137 |
ldqxhgqi | chemistry | alcohols-phenols-and-ethers | properties,-preparation-and-uses-of-phenols | The correct order of $\mathrm{pK}_{\mathrm{a}}$ values for the following compounds is:<br/><br/>
<img src="data:image/png;base64,UklGRtwOAABXRUJQVlA4INAOAABw0gCdASoAA6YBP4HA22M2Mi4mI/ZZYsAwCWlu/CiVkEaiXJ1TG4XV9LdT/y11ejt56v54+035Nfc3QvxE3BHn/0pqiv9Q40nnf//07/kv//Fk/aLdy2xO5FvSB4W2zJGFp4QeAme0WxIKICTNudYQo8HiX0f61d/crdu... | [{"identifier": "A", "content": "$ \\mathrm{a}>\\mathrm{b}>\\mathrm{c}>\\mathrm{d}$"}, {"identifier": "B", "content": "$c > a > d > b$"}, {"identifier": "C", "content": "$\\mathrm{b}>\\mathrm{d}>\\mathrm{a}>\\mathrm{c}$"}, {"identifier": "D", "content": "$b > a > d > c$"}] | ["C"] | null | Higher the value of K<sub>a</sub> or lower the value pK<sub>a</sub>, stronger will be the acid.
<br><br><img src="https://app-content.cdn.examgoal.net/fly/@width/image/1leyjxg71/da9290ce-b0ce-486d-95bc-46b5ca8813b8/3b023ed0-bd11-11ed-89dd-7deceac5f9ee/file-1leyjxg72.png?format=png" data-orsrc="https://app-content.cdn.... | mcq | jee-main-2023-online-30th-january-evening-shift | 138 |
1ldsruan5 | chemistry | alcohols-phenols-and-ethers | properties,-preparation-and-uses-of-phenols | <p>The increasing order of $$\mathrm{pK_a}$$ for the following phenols is</p>
<p>(A) 2, 4 - Dinitrophenol</p>
<p>(B) 4 - Nitrophenol</p>
<p>(C) 2, 4, 5 - Trimethylphenol</p>
<p>(D) Phenol</p>
<p>(E) 3-Chlorophenol</p>
<p>Choose the correct answer from the option given below :</p> | [{"identifier": "A", "content": "(A), (E), (B), (D), (C)"}, {"identifier": "B", "content": "(C), (E), (D), (B), (A)"}, {"identifier": "C", "content": "(C), (D), (E), (B), (A)"}, {"identifier": "D", "content": "(A), (B), (E), (D), (C)"}] | ["D"] | null | <img src="https://app-content.cdn.examgoal.net/fly/@width/image/1lfhjgj0y/7704ed8a-3a2e-4013-aa2e-d88fd7638b9d/48c77320-c782-11ed-9b48-d9b18d397dd0/file-1lfhjgj17.png?format=png" data-orsrc="https://app-content.cdn.examgoal.net/image/1lfhjgj0y/7704ed8a-3a2e-4013-aa2e-d88fd7638b9d/48c77320-c782-11ed-9b48-d9b18d397dd0/fi... | mcq | jee-main-2023-online-29th-january-morning-shift | 139 |
1ldu0g89i | chemistry | alcohols-phenols-and-ethers | properties,-preparation-and-uses-of-phenols | <p>Find out the major product from the following reaction.</p>
<p><img src="data:image/png;base64,UklGRvQJAABXRUJQVlA4IOgJAABwggCdASoAAykBP4G812W2LqwnIpEpIsAwCWlu/FuYputQ3P1dtQbOTspmXQ4+Hz/Lf/4eNWzAHjrSqLZgDx1pVFswB460qi2YA74wOSVbEbwHDA5JQMF/FuMsIC1HRJFZ3LwdNN9ThOfeA4YHJKrhsLlKhA4fmCOt/7vDeiWILdKth9tAGxpA4Or7i5t2/eliMP... | [{"identifier": "A", "content": "<img src=\"https://app-content.cdn.examgoal.net/fly/@width/image/1ldufwmge/ae19a573-6010-4ed5-a761-0bbf8a1b15a4/258acce0-a702-11ed-9824-935677f1e097/file-1ldufwmgf.png?format=png\" data-orsrc=\"https://app-content.cdn.examgoal.net/image/1ldufwmge/ae19a573-6010-4ed5-a761-0bbf8a1b15a4/258... | ["D"] | null | <img src="https://app-content.cdn.examgoal.net/fly/@width/image/1ledta84m/cc0b4d6a-3dcd-4a91-843e-9825811dc3c9/5ad1ed50-b1a9-11ed-afb4-c9dda1bdb882/file-1ledta84n.png?format=png" data-orsrc="https://app-content.cdn.examgoal.net/image/1ledta84m/cc0b4d6a-3dcd-4a91-843e-9825811dc3c9/5ad1ed50-b1a9-11ed-afb4-c9dda1bdb882/fi... | mcq | jee-main-2023-online-25th-january-evening-shift | 140 |
1ldu1ahil | chemistry | alcohols-phenols-and-ethers | properties,-preparation-and-uses-of-phenols | <p>Given below are two statements, one is labelled as Assertion A and the other is labelled as Reason R</p>
<p>Assertion A : Butylated hydroxy anisole when added to butter increases its shelf life.</p>
<p>Reason R : Butylated hydroxy anisole is more reactive towards oxygen than food.</p>
<p>In the light of the above st... | [{"identifier": "A", "content": "A is correct but R is not correct"}, {"identifier": "B", "content": "Both A and R are correct but R is NOT the correct explanation of A"}, {"identifier": "C", "content": "Both A and R are correct and R is the correct explanation of A"}, {"identifier": "D", "content": "A is not correct b... | ["C"] | null | Butylated hydroxy anisole is added to butter to
increase its shelf life from months to years as it is
more reactive towards oxygen than food.
Therefore, both Assertion and Reason are correct
and Reason is the correct explanation of Assertion. | mcq | jee-main-2023-online-25th-january-evening-shift | 141 |
1lduk3y05 | chemistry | alcohols-phenols-and-ethers | properties,-preparation-and-uses-of-phenols | <p>In the cumene to phenol preparation in presence of air, the intermediate is</p> | [{"identifier": "A", "content": "<img src=\"https://app-content.cdn.examgoal.net/fly/@width/image/1ldvb59ha/ea64bbb1-7115-466e-a1e9-f377835a6444/50ce3cf0-a77c-11ed-a5e3-ff739bca566a/file-1ldvb59hb.png?format=png\" data-orsrc=\"https://app-content.cdn.examgoal.net/image/1ldvb59ha/ea64bbb1-7115-466e-a1e9-f377835a6444/50c... | ["D"] | null | <img src="https://app-content.cdn.examgoal.net/fly/@width/image/1lebuv61h/bb0b0d2e-9c17-4b5d-b0bb-4d3106cd7d82/f907d850-b095-11ed-b968-032108a3c0d6/file-1lebuv61i.png?format=png" data-orsrc="https://app-content.cdn.examgoal.net/image/1lebuv61h/bb0b0d2e-9c17-4b5d-b0bb-4d3106cd7d82/f907d850-b095-11ed-b968-032108a3c0d6/fi... | mcq | jee-main-2023-online-25th-january-morning-shift | 142 |
1ldukx6yj | chemistry | alcohols-phenols-and-ethers | properties,-preparation-and-uses-of-phenols | <p>Given below are two statements : one is labelled as Assertion A and the other is labelled as Reason R :</p>
<p>Assertion A : Acetal / Ketal is stable in basic medium.</p>
<p>Reason R : The high leaving tendency of alkoxide ion gives the stability to acetal/ketal in basic medium.</p>
<p>In the light of the above stat... | [{"identifier": "A", "content": "A is false but R is true."}, {"identifier": "B", "content": "Both A and R are true but R is NOT the correct explanation of A"}, {"identifier": "C", "content": "Both A and R are true and R is the correct explanation of A"}, {"identifier": "D", "content": "A is true but R is false."}] | ["D"] | null | <b>For Assertion:</b> Acetal and ketals are basically
ethers hence they must be stable in basic medium
but should break down in acidic medium.
Hence assertion is correct.<br/><br/>
<b>For reason:</b> Alkoxide ion (RO<sup>–</sup>) is not considered a good leaving group hence reason must be false. | mcq | jee-main-2023-online-25th-january-morning-shift | 143 |
lgnzy816 | chemistry | alcohols-phenols-and-ethers | properties,-preparation-and-uses-of-phenols | <img src="data:image/png;base64,UklGRjQJAABXRUJQVlA4ICgJAACQfgCdASoAAzABP4HA2mU2MK0nInLpCsAwCWlu4XSF7mNwu553tRdQpPr2g/K9SjV69Gqnpl/436S/PGLLC9pswFaG1nWonnjFlhe4L3Be4L3Be1PrAido5o9yxQswTUIFqpkECvzxiywvcF7gvcF7gvcF7grPXuKK2j2jI3B3dS3PyBbKD7gvcF7gvcF7gvcF7gvcFZ69xRW0e4fAPvfMh4NRPPGLLC9wXuC9wXt/cUA3ZusTHzObRzRkI4UIxCs+2fcF... | [{"identifier": "A", "content": "<img src=\"https://app-content.cdn.examgoal.net/fly/@width/image/1lgo765lw/c82a7c42-8f6b-4db2-b1bc-3a2aaef9a5f2/eeb28a40-def7-11ed-ad4a-2fa2e50bb363/file-1lgo765lx.png?format=png\" data-orsrc=\"https://app-content.cdn.examgoal.net/image/1lgo765lw/c82a7c42-8f6b-4db2-b1bc-3a2aaef9a5f2/eeb... | ["A"] | null | <img src="https://app-content.cdn.examgoal.net/fly/@width/image/1lgrlefhk/29ea6bfe-be89-42f6-949c-98180f734422/ee8f0680-e0d5-11ed-ac7f-75b667b9d8cc/file-1lgrlefhl.png?format=png" data-orsrc="https://app-content.cdn.examgoal.net/image/1lgrlefhk/29ea6bfe-be89-42f6-949c-98180f734422/ee8f0680-e0d5-11ed-ac7f-75b667b9d8cc/fi... | mcq | jee-main-2023-online-15th-april-morning-shift | 144 |
1lgsy2959 | chemistry | alcohols-phenols-and-ethers | properties,-preparation-and-uses-of-phenols | <p>Compound 'B' is</p>
<p><img src="data:image/png;base64,UklGRmwLAABXRUJQVlA4IGALAACQiACdASoAAxQBP4G21mY2LKwnIfBZgsAwCWlu/Eb5Fm9nZ18/r7+rHi8xK/ym5h7MflfOt3LG8vSDkvvZn/97/cRVlUvqbafGlUiytmlBUiytmlBUiytmlBUiyH4e/0LK2aUFSLK2aUFSLK2aUFSLK2aUAPkPAiBjbp/12IlKrK2aUFSLK2aUFSLK2aUFSLK2aS8ab3IGEHD6W0UQT+GFwsoGHd+inkk7xFlbNKCpFl... | [{"identifier": "A", "content": "<img src=\"https://app-content.cdn.examgoal.net/fly/@width/image/1lgtumaw5/303e5afa-4bcd-496a-a0a3-d0aabdeb22e4/8cf18d50-e213-11ed-a71b-5bec0e8df462/file-1lgtumaw6.png?format=png\" data-orsrc=\"https://app-content.cdn.examgoal.net/image/1lgtumaw5/303e5afa-4bcd-496a-a0a3-d0aabdeb22e4/8cf... | ["A"] | null | <img src="https://app-content.cdn.examgoal.net/fly/@width/image/1licndgcc/e0149eb7-efe2-44cf-a62b-9efff185705b/52af53c0-0036-11ee-bcb6-bdff5ecf1695/file-1licndgcd.png?format=png" data-orsrc="https://app-content.cdn.examgoal.net/image/1licndgcc/e0149eb7-efe2-44cf-a62b-9efff185705b/52af53c0-0036-11ee-bcb6-bdff5ecf1695/fi... | mcq | jee-main-2023-online-11th-april-evening-shift | 146 |
1lgv01h2e | chemistry | alcohols-phenols-and-ethers | properties,-preparation-and-uses-of-phenols | <p>Arrange the following compounds in increasing order of rate of aromatic electrophilic substitution reaction</p>
<p><img src="data:image/png;base64,UklGRgQWAABXRUJQVlA4IPgVAACwdwCdASoAA8oAPm00l0ikIqIhItLpyIANiWlu4XVRG/OZ8cf1XtO/zf5WeJD5R/J/2v9yf6zyUfP/BT+Xfeb9d/g/ObvX+UHzd7BH5N/L/8J/av3M/s3pi7Ezav8h/2fUC9mPqv/R/xXkE/... | [{"identifier": "A", "content": "d, b, a, c"}, {"identifier": "B", "content": "b, c, a, d"}, {"identifier": "C", "content": "c, a, b, d"}, {"identifier": "D", "content": "d, b, c, a"}] | ["C"] | null | Benzene becomes more reactive towards EAS when any substituent raises the electron density.
<br><br><img src="https://app-content.cdn.examgoal.net/fly/@width/image/1liid8ffb/6b91f8bd-b54d-4967-9939-1f1a52d89def/5f926140-035b-11ee-b0c7-73e710e24d0d/file-1liid8fh0.png?format=png" data-orsrc="https://app-content.cdn.examg... | mcq | jee-main-2023-online-11th-april-morning-shift | 147 |
1lgvup7mv | chemistry | alcohols-phenols-and-ethers | properties,-preparation-and-uses-of-phenols | <p>The correct order for acidity of the following hydroxyl compound is :</p>
<p>A. $$\mathrm{CH}_{3} \mathrm{OH}$$</p>
<p>B. $$\left(\mathrm{CH}_{3}\right)_{3} \mathrm{COH}$$</p>
<p>C. <img src="data:image/png;base64,UklGRmoIAABXRUJQVlA4IF4IAABQowCdASoAA5IBP4HA3GS2MK2nInLpOsAwCWlu8p8d80viN+fPSr0f9KWIDtl3f/XNg8epqpv//9f... | [{"identifier": "A", "content": "E > C > D > A > B"}, {"identifier": "B", "content": "D > E > C > A > B"}, {"identifier": "C", "content": "E > D > C > B > A"}, {"identifier": "D", "content": "C > E > D > B > A"}] | ["A"] | null | $\mathrm{NO}_2$ group will increase the acidity, $\mathrm{OCH}_3$ group at para position will decrease the acidity, phenol is more acidic than methanol.<br/><br/>
So, Acidic strength $\mathrm{E}>\mathrm{C}>\mathrm{D}>\mathrm{A}>\mathrm{B}$ | mcq | jee-main-2023-online-10th-april-evening-shift | 148 |
1lh32acu0 | chemistry | alcohols-phenols-and-ethers | properties,-preparation-and-uses-of-phenols | <p>The strongest acid from the following is</p> | [{"identifier": "A", "content": "<img src=\"https://app-content.cdn.examgoal.net/fly/@width/image/1lh5oyo6x/df1c5f92-4042-4694-af42-e4e039e90c88/d5f1de90-e896-11ed-8179-292e62481b94/file-1lh5oyo6y.png?format=png\" data-orsrc=\"https://app-content.cdn.examgoal.net/image/1lh5oyo6x/df1c5f92-4042-4694-af42-e4e039e90c88/d5f... | ["B"] | null | Acidic strength order is :<br><br><img src="https://app-content.cdn.examgoal.net/fly/@width/image/6y3zli1lkeoit8x/8d94ec0c-f063-474b-a12d-1e541c56b41f/d0e2a010-28ec-11ee-8dcd-3152cee9aeb3/file-6y3zli1lkeoit8y.png?format=png" data-orsrc="https://app-content.cdn.examgoal.net/image/6y3zli1lkeoit8x/8d94ec0c-f063-474b-a12d-... | mcq | jee-main-2023-online-6th-april-evening-shift | 149 |
lsaokiln | chemistry | alcohols-phenols-and-ethers | properties,-preparation-and-uses-of-phenols | Match <b>List - I</b> with <b>List - II</b>.
<br/><br/>
<style>
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<tr>
<th>List I (Reactants)</th>
... | [{"identifier": "A", "content": "(A)-(IV), (B)-(I), (C)-(II), (D)-(III)"}, {"identifier": "B", "content": "(A)-(III), (B)-(I), (C)-(II), (D)-(IV)"}, {"identifier": "C", "content": "(A)-(IV), (B)-(II), (C)-(I), (D)-(III)"}, {"identifier": "D", "content": "(A)-(III), (B)-(IV), (C)-(I), (D)-(II)"}] | ["B"] | null | Let's analyze each reaction given in List I to identify the correct product from List II.
<p><b>(A) Phenol, Zn/Δ:</b> When phenol is reacted with zinc dust (Zn) upon heating (Δ), it undergoes a reduction reaction known as the Clemmensen reduction, which results in the removal of the oxygen from the hydroxyl group (-OH... | mcq | jee-main-2024-online-1st-february-evening-shift | 150 |
jaoe38c1lsc5fpk2 | chemistry | alcohols-phenols-and-ethers | properties,-preparation-and-uses-of-phenols | <p>Given below are two statements :</p>
<p><b>Statement (I)</b> : p-nitrophenol is more acidic than m-nitrophenol and o-nitrophenol.</p>
<p><b>Statement (II)</b> : Ethanol will give immediate turbidity with Lucas reagent.</p>
<p>In the light of the above statements, choose the correct answer from the options given belo... | [{"identifier": "A", "content": "Statement I is true but Statement II is false\n"}, {"identifier": "B", "content": "Both Statement I and Statement II are true\n"}, {"identifier": "C", "content": "Both Statement I and Statement II are false\n"}, {"identifier": "D", "content": "Statement I is false but Statement II is tr... | ["A"] | null | <p>Acidic strength</p>
<p><img src="https://app-content.cdn.examgoal.net/fly/@width/image/6y3zli1lscvhwel/c18492a6-c8ec-4898-a9b6-1a943fe55270/4126cfd0-c650-11ee-9d8b-f1be86a1b2f3/file-6y3zli1lscvhwem.png?format=png" data-orsrc="https://app-content.cdn.examgoal.net/image/6y3zli1lscvhwel/c18492a6-c8ec-4898-a9b6-1a943fe5... | mcq | jee-main-2024-online-27th-january-morning-shift | 151 |
jaoe38c1lsc5ixz2 | chemistry | alcohols-phenols-and-ethers | properties,-preparation-and-uses-of-phenols | <p>The ascending order of acidity of $$-\mathrm{OH}$$ group in the following compounds is :</p>
<p><img src="data:image/png;base64,UklGRqYQAABXRUJQVlA4IJoQAADwBgGdASr3AgADP4G82WY2LjmnIZBY+zAwCWlu4XSCumNwvV6c9EBc90h1fe/R61UHHzn/9W0v//6wyINMHqllcWq4aYPVLK4tVw0weqWVxaqwSf3nigkusKj+88UEl1hUf3nigkusKj+88fL84WKGIN2iRYTwDyWn4... | [{"identifier": "A", "content": "(A) < (D) < (C) < (B) < (E)"}, {"identifier": "B", "content": "(C) < (A) < (D) < (B) < (E)"}, {"identifier": "C", "content": "(C) < (D) < (B) < (A) < (E)"}, {"identifier": "D", "content": "(A) < (C) < (D) < (B) < (E)"}] | ["D"] | null | <img src="https://app-content.cdn.examgoal.net/fly/@width/image/6y3zli1lscvkcev/b67ea1c9-d368-4239-81ab-4e423b1de0e6/8522ae70-c650-11ee-9d8b-f1be86a1b2f3/file-6y3zli1lscvkcew.png?format=png" data-orsrc="https://app-content.cdn.examgoal.net/image/6y3zli1lscvkcev/b67ea1c9-d368-4239-81ab-4e423b1de0e6/8522ae70-c650-11ee-9d... | mcq | jee-main-2024-online-27th-january-morning-shift | 152 |
jaoe38c1lscrdfwx | chemistry | alcohols-phenols-and-ethers | properties,-preparation-and-uses-of-phenols | <p>Phenolic group can be identified by a positive:</p> | [{"identifier": "A", "content": "Tollen's test\n"}, {"identifier": "B", "content": "Phthalein dye test\n"}, {"identifier": "C", "content": "Carbylamine test\n"}, {"identifier": "D", "content": "Lucas test"}] | ["B"] | null | <p>The correct answer for identifying the phenolic group is Option B, the Phthalein dye test.</p>
<p><strong>Option A: Tollen's test</strong> - This test is used to identify aldehydes. Aldehydes are oxidized to carboxylic acids by the Tollen's reagent (ammoniacal silver nitrate), and this reaction results in a charact... | mcq | jee-main-2024-online-27th-january-evening-shift | 153 |
jaoe38c1lse7rplh | chemistry | alcohols-phenols-and-ethers | properties,-preparation-and-uses-of-phenols | <p>Given below are two statements: One is labelled as Assertion A and the other is labelled as Reason R:</p>
<p>Assertion A: $$\mathrm{pK}_{\mathrm{a}}$$ value of phenol is 10.0 while that of ethanol is 15.9 .</p>
<p>Reason R: Ethanol is stronger acid than phenol.</p>
<p>In the light of the above statements, choose the... | [{"identifier": "A", "content": "A is false but R is true.\n"}, {"identifier": "B", "content": "Both $$A$$ and $$R$$ are true but $$R$$ is NOT the correct explanation of $$A$$.\n"}, {"identifier": "C", "content": "Both $$\\mathrm{A}$$ and $$\\mathrm{R}$$ are true and $$\\mathrm{R}$$ is the correct explanation of $$\\ma... | ["D"] | null | <p>Phenol is more acidic than ethanol because conjugate base of phenoxide is more stable than ethoxide.</p> | mcq | jee-main-2024-online-31st-january-morning-shift | 154 |
jaoe38c1lsfpbasr | chemistry | alcohols-phenols-and-ethers | properties,-preparation-and-uses-of-phenols | <p>Phenol treated with chloroform in presence of sodium hydroxide, which further hydrolyzed in presence of an acid results</p> | [{"identifier": "A", "content": "Salicylic acid\n"}, {"identifier": "B", "content": "Benzene-1,2-diol\n"}, {"identifier": "C", "content": "2-Hydroxybenzaldehyde\n"}, {"identifier": "D", "content": "Benzene-1,3-diol"}] | ["C"] | null | <p><img src="https://app-content.cdn.examgoal.net/fly/@width/image/6y3zli1lsr89yit/829a398b-2fcf-4037-af67-14d230721fc6/3415b350-ce35-11ee-9412-cd4f9c6f2c40/file-6y3zli1lsr89yiu.png?format=png" data-orsrc="https://app-content.cdn.examgoal.net/image/6y3zli1lsr89yit/829a398b-2fcf-4037-af67-14d230721fc6/3415b350-ce35-11ee... | mcq | jee-main-2024-online-29th-january-evening-shift | 155 |
jaoe38c1lsfpdgky | chemistry | alcohols-phenols-and-ethers | properties,-preparation-and-uses-of-phenols | <p>Match List I with List II</p>
<p><style type="text/css">
.tg {border-collapse:collapse;border-spacing:0;}
.tg td{border-color:black;border-style:solid;border-width:1px;font-family:Arial, sans-serif;font-size:14px;
overflow:hidden;padding:10px 5px;word-break:normal;}
.tg th{border-color:black;border-style:solid;bo... | [{"identifier": "A", "content": "A-I, B-II, C-III, D-IV\n"}, {"identifier": "B", "content": "A-IV, B-I, C-II, D-III\n"}, {"identifier": "C", "content": "A-II, B-I, C-IV, D-III\n"}, {"identifier": "D", "content": "A-III, B-IV, C-I, D-II"}] | ["C"] | null | <p>$$\begin{aligned}
& \text { Ethanol } \rightarrow 15.9 \\
& \text { Phenol } \rightarrow 10 \\
& \text { M-Nitrophenol } \rightarrow 8.3 \\
& \text { P-Nitrophenol } \rightarrow 7.1
\end{aligned}$$</p> | mcq | jee-main-2024-online-29th-january-evening-shift | 156 |
lv3xmax0 | chemistry | alcohols-phenols-and-ethers | properties,-preparation-and-uses-of-phenols | <p>Which one the following compounds will readily react with dilute $$\mathrm{NaOH}$$ ?</p> | [{"identifier": "A", "content": "$$\\mathrm{C}_6 \\mathrm{H}_5 \\mathrm{CH}_2 \\mathrm{OH}$$\n"}, {"identifier": "B", "content": "$$\\mathrm{C}_2 \\mathrm{H}_5 \\mathrm{OH}$$\n"}, {"identifier": "C", "content": "$$\\mathrm{C}_6 \\mathrm{H}_5 \\mathrm{OH}$$\n"}, {"identifier": "D", "content": "$$\\left(\\mathrm{CH}_3\\r... | ["C"] | null | <p>To determine which of the given compounds will readily react with dilute $$\mathrm{NaOH}$$, we need to understand the chemical reactivity of these compounds towards bases like sodium hydroxide ($$\mathrm{NaOH}$$).</p>
<p>Here's a brief overview of each compound's reactivity towards $$\mathrm{NaOH}$$:</p>
<ul>
<li>... | mcq | jee-main-2024-online-8th-april-evening-shift | 158 |
lv5gt4qp | chemistry | alcohols-phenols-and-ethers | properties,-preparation-and-uses-of-phenols | <p>Identify the major products A and B respectively in the following set of reactions.</p>
<p><img src="data:image/png;base64,UklGRi4VAABXRUJQVlA4ICIVAAAQcACdASoAA6gAPm02mEgkIyKhJBNpwIANiWlu4XPxG/N78l/2bta/yniT46faH7b+5nr+5P+tbUs+UfbP9h/cPa5+1d7vyj1CPyD+b/5r7b/Ur2XW1f7X0BfaH7B/y/8N49GpxkA+YffeeoewR+o/QhzwvV3sHfrb/0uxF6... | [{"identifier": "A", "content": "<img src=\"https://app-content.cdn.examgoal.net/fly/@width/image/1lv5br7ti/2a8d2bf8-332c-43aa-8080-c2699412f37c/37424f60-fd8e-11ee-8734-99d466581eee/file-1lv5br7tj.png?format=png\" data-orsrc=\"https://app-content.cdn.examgoal.net/image/1lv5br7ti/2a8d2bf8-332c-43aa-8080-c2699412f37c/374... | ["B"] | null | <p><img src="https://app-content.cdn.examgoal.net/fly/@width/image/jaoe38c1lw9342ot/ed4f75fc-4160-4980-bf1e-6a0e613e8b3d/c4a0ddc0-136b-11ef-ac66-753153db1bf0/file-jaoe38c1lw9342ou.png?format=png" data-orsrc="https://app-content.cdn.examgoal.net/image/jaoe38c1lw9342ot/ed4f75fc-4160-4980-bf1e-6a0e613e8b3d/c4a0ddc0-136b-1... | mcq | jee-main-2024-online-8th-april-morning-shift | 159 |
lv7v49oe | chemistry | alcohols-phenols-and-ethers | properties,-preparation-and-uses-of-phenols | <p>Given below are two statement :</p>
<p>Statements I : Bromination of phenol in solvent with low polarity such as $$\mathrm{CHCl}_3$$ or $$\mathrm{CS}_2$$ requires Lewis acid catalyst.</p>
<p>Statements II : The Lewis acid catalyst polarises the bromine to generate $$\mathrm{Br}^{+}$$.</p>
<p>In the light of the abov... | [{"identifier": "A", "content": "Statement I is true but Statement II is false\n"}, {"identifier": "B", "content": "Both Statement I and Statement II are true\n"}, {"identifier": "C", "content": "Statement I is false but Statement II is true\n"}, {"identifier": "D", "content": "Both Statement I and Statement II are fal... | ["C"] | null | <p><img src="https://app-content.cdn.examgoal.net/fly/@width/image/1lwh406iv/b9dd55b3-5a0a-4b8f-a750-e58204382e8f/86ade170-17d5-11ef-a722-71ab49de2419/file-1lwh406iw.png?format=png" data-orsrc="https://app-content.cdn.examgoal.net/image/1lwh406iv/b9dd55b3-5a0a-4b8f-a750-e58204382e8f/86ade170-17d5-11ef-a722-71ab49de2419... | mcq | jee-main-2024-online-5th-april-morning-shift | 160 |
lvb2acuc | chemistry | alcohols-phenols-and-ethers | properties,-preparation-and-uses-of-phenols | <p>The major products formed :</p>
<p><img src="data:image/png;base64,UklGRioKAABXRUJQVlA4IB4KAAAweQCdASoAA/QAP4G41mW2LSwnIbFJssAwCWlu4WeRG/Pn892hNnV2jy6IeTdL//whgAeUuAqFmMkakjaIs0oBEtUcxmaypkw1OrX5SZ0X6Ii4UmdF+iIuFJlWEfIjDABJrVqZKGw04Sgeu8KELuHVqS4mCEe9Uh89mocR+C+Tp7NQ4j8F8nT2ahxH4O+ngqrgR2EpJy4TJ6bT5fn4Ky5SN0B/97JRH4... | [{"identifier": "A", "content": "<img src=\"https://app-content.cdn.examgoal.net/fly/@width/image/1lvb0vqnl/fa52a9a4-24fd-4d8d-bccc-77c03b69c1e4/64858210-00b0-11ef-be3f-17279d79e67d/file-1lvb0vqnm.png?format=png\" data-orsrc=\"https://app-content.cdn.examgoal.net/image/1lvb0vqnl/fa52a9a4-24fd-4d8d-bccc-77c03b69c1e4/648... | ["A"] | null | <p><img src="https://app-content.cdn.examgoal.net/fly/@width/image/1lwbk6pkz/aa645809-4cd2-412b-8840-8f0222b425bd/1a6d2530-14c8-11ef-a0f4-45babcaa12d2/file-1lwbk6pl0.png?format=png" data-orsrc="https://app-content.cdn.examgoal.net/image/1lwbk6pkz/aa645809-4cd2-412b-8840-8f0222b425bd/1a6d2530-14c8-11ef-a0f4-45babcaa12d2... | mcq | jee-main-2024-online-6th-april-evening-shift | 161 |
lvc58ein | chemistry | alcohols-phenols-and-ethers | properties,-preparation-and-uses-of-phenols | <p>In Reimer - Tiemann reaction, phenol is converted into salicylaldehyde through an intermediate. The structure of intermediate is __________.</p> | [{"identifier": "A", "content": "<img src=\"https://app-content.cdn.examgoal.net/fly/@width/image/1lvc3cd9x/8d7dd78d-e45d-419f-8ff1-0079418724de/cdd96650-0146-11ef-9994-d5a6f8729fd1/file-1lvc3cd9y.png?format=png\" data-orsrc=\"https://app-content.cdn.examgoal.net/image/1lvc3cd9x/8d7dd78d-e45d-419f-8ff1-0079418724de/cdd... | ["B"] | null | <p>Carbene is intermediate.</p>
<p>Intermediate given in option (1) is produced.</p> | mcq | jee-main-2024-online-6th-april-morning-shift | 162 |
0Bv6DPFm7zDrQND5 | chemistry | aldehydes-ketones-and-carboxylic-acids | chemical-reactions-for-aldehydes-and-ketones | Which one of the following reduced with zinc and hydrochloric acid to give the corresponding
hydrocarbon? | [{"identifier": "A", "content": "Ethyl acetate "}, {"identifier": "B", "content": "Butan -2-one "}, {"identifier": "C", "content": "Acetamide"}, {"identifier": "D", "content": "Acetic acid"}] | ["B"] | null | It is Clemmensen's reduction
<br><br><img class="question-image" src="https://res.cloudinary.com/dckxllbjy/image/upload/v1734266896/exam_images/w4yhnonqs8tqz4kzfp5x.webp" loading="lazy" alt="AIEEE 2004 Chemistry - Aldehydes, Ketones and Carboxylic Acids Question 218 English Explanation"> | mcq | aieee-2004 | 163 |
oEYSqKy4Jhv50vE1 | chemistry | aldehydes-ketones-and-carboxylic-acids | chemical-reactions-for-aldehydes-and-ketones | Trichloroacetaldehyde was subjected to Cannizzaro’s reaction by using NaOH. The mixture of the
products contains sodium trichloroacetate and another compound. The other compound is : | [{"identifier": "A", "content": "Trichloromethanol"}, {"identifier": "B", "content": "2, 2, 2-Trichloropropanol"}, {"identifier": "C", "content": "Chloroform"}, {"identifier": "D", "content": "2, 2, 2-Trichloroethanol "}] | ["D"] | null | <img class="question-image" src="https://res.cloudinary.com/dckxllbjy/image/upload/v1734266767/exam_images/xh8z0zfgsrsjevggitdg.webp" loading="lazy" alt="AIEEE 2011 Chemistry - Aldehydes, Ketones and Carboxylic Acids Question 211 English Explanation">
<br>In Cannizzaro's reaction the compounds which do not contain $$\... | mcq | aieee-2011 | 164 |
Fi0DDJ7KsShAXcyi | chemistry | aldehydes-ketones-and-carboxylic-acids | chemical-reactions-for-aldehydes-and-ketones | In the given transformation, which of the following is the most appropriate reagent ?
<br/><br/><img src="data:image/png;base64,UklGRsoRAABXRUJQVlA4IL4RAACQWQCdASoAA4gAPm00l0kkIqIhIjLJUIANiWlu/FuZcetQx/0x/sXaj/Xvxq/F/29/Fvmn7d+RPrp46+xL+y9Ev499sPsn5hf2X2j/zn5VeaPxG/tPtk+Qj8h/j/9a/JT8wPcn2R2j/t76gXqb80/zH9u/eD/F+mD/R/l... | [{"identifier": "A", "content": "$$N{H_2}N{H_2},\\mathop {OH}\\limits^\\Theta $$ "}, {"identifier": "B", "content": "$$Zn - Hg/HCl$$ "}, {"identifier": "C", "content": "$$Na,Liq\\,N{H_3}$$ "}, {"identifier": "D", "content": "$$NaB{H_4}$$ "}] | ["A"] | null | Aldehydes and ketones can be reduced to hydrocarbons by the action $$(i)$$ of amalgamated zinc and concentrated hydrochloric acid (Clemmensen reduction), or $$(b)$$ of hydrazine $$\left( {N{H_2}N{H_2}} \right)$$ and a strong base like $$NaOH,KOH$$ or potassium <i>tert</i>-butoxide in a high-boiling alcohol like ethylen... | mcq | aieee-2012 | 165 |
9le3XOQNjIh8kCPi | chemistry | aldehydes-ketones-and-carboxylic-acids | chemical-reactions-for-aldehydes-and-ketones | The correct sequence of reagents for the following conversion will be :<br/><br/>
<img src="data:image/png;base64,UklGRo4NAABXRUJQVlA4IIINAACwxgCdASoAA9YBP4HA22S2MK2nIrHpOsAwCWlu8pB9lCEiN+fP6W/4nqyue2E7Rnnh7W/jz936elv/0Zah/9h/Nf//gXCNLz8ojGVW+tIWnoKt2Fg5hovDXCt8mtY3WsbrWN1rG61iOxO5YrVL7/8rCn/R1C+DE8v3DA5pV8TuvZzW4X0Osq... | [{"identifier": "A", "content": "CH<sub>3</sub>MgBr, H<sup>+</sup>/ CH<sub>3</sub>OH, [Ag(NH<sub>3</sub>)<sub>2</sub>]<sup>+</sup>OH<sup>-</sup>"}, {"identifier": "B", "content": "[Ag(NH<sub>3</sub>)<sub>2</sub>]<sup>+</sup>OH<sup>-</sup>, CH<sub>3</sub>MgBr, H<sup>+</sup>/ CH<sub>3</sub>OH"}, {"identifier": "C", "cont... | ["C"] | null | <img src="https://res.cloudinary.com/dckxllbjy/image/upload/v1734267267/exam_images/dmhcrw9j0stw4h6qhgri.webp" style="max-width: 100%;height: auto;display: block;margin: 0 auto;" loading="lazy" alt="JEE Main 2017 (Offline) Chemistry - Aldehydes, Ketones and Carboxylic Acids Question 205 English Explanation"> | mcq | jee-main-2017-offline | 167 |
wXFmZPileFUb1OZcWIBOq | chemistry | aldehydes-ketones-and-carboxylic-acids | chemical-reactions-for-aldehydes-and-ketones | The main reduction product of the following compound with NaBH<sub>4</sub> in methanol is :
<br/><br/><img src="data:image/png;base64,UklGRoILAABXRUJQVlA4IHYLAABwuwCdASoAA+kBP4HA3WU2Ma4nIlbY6sAwCWlu8pWX+d50KJ2dfn7J/7j1m9MbHbgJ/Kf3v9+NLs3r6eNYn3Mf//gLf/8OdvD4dLokLZGaMkGnJ3u77EOmCPHS9ThxKKnYpS/59yJKaVWIdMEeRIce9MVEjysstH... | [{"identifier": "A", "content": "<img src=\"https://app-content.cdn.examgoal.net/fly/@width/image/1l7u8bx9i/59bd5048-d7b9-41dc-8aad-33970f28a26c/39b8dc60-301b-11ed-ab58-4f43f7f8c851/file-1l7u8bx9j.png?format=png\" data-orsrc=\"https://app-content.cdn.examgoal.net/image/1l7u8bx9i/59bd5048-d7b9-41dc-8aad-33970f28a26c/39b... | ["B"] | null | <img src="https://app-content.cdn.examgoal.net/fly/@width/image/1l7u8ceys/7310732d-4a65-4712-824f-0cc72550d722/47658840-301b-11ed-ab58-4f43f7f8c851/file-1l7u8ceyt.png?format=png" data-orsrc="https://app-content.cdn.examgoal.net/image/1l7u8ceys/7310732d-4a65-4712-824f-0cc72550d722/47658840-301b-11ed-ab58-4f43f7f8c851/fi... | mcq | jee-main-2018-online-15th-april-morning-slot | 168 |
JzeGitS10Az7yfY7qu8Zk | chemistry | aldehydes-ketones-and-carboxylic-acids | chemical-reactions-for-aldehydes-and-ketones | The major product formed in the following reaction is :
<br/><img src="data:image/png;base64,UklGRkYMAABXRUJQVlA4IDoMAABwiACdASoAA/wAP4G+2GM2MKymJNI5osAwCWlu2QNz0KdiN+fD597V8iOzu7WZeAPFh2/x//73/I0N///////5Ovgf840jV7p07XPKS9/bhfNNemjNS0uvKowsA8lPN6YzW3vpu5XA3Q67u7u7u7u7u7u7u7uzoYl55eeXninUts2PNR0xyfeDVn4+MtWPZmKQWnAcvq... | [{"identifier": "A", "content": "<img src=\"https://app-content.cdn.examgoal.net/fly/@width/image/1l7x0ttn8/6ecd0ff7-7e8d-4a5f-9e98-91544e37816a/3c680140-31a4-11ed-b3ea-45214d807530/file-1l7x0ttn9.png?format=png\" data-orsrc=\"https://app-content.cdn.examgoal.net/image/1l7x0ttn8/6ecd0ff7-7e8d-4a5f-9e98-91544e37816a/3c6... | ["A"] | null | Pyridinium chlorochromate oxidizes primary alchohols to aldehydes and secondary alcohol to ketone.
<br><img src="https://app-content.cdn.examgoal.net/fly/@width/image/1l7x0rtpe/e9f18f3d-815b-4d09-97af-4a23a9c103b4/04d5c730-31a4-11ed-b3ea-45214d807530/file-1l7x0rtpf.png?format=png" data-orsrc="https://app-content.cdn.ex... | mcq | jee-main-2018-online-15th-april-evening-slot | 169 |
nloFDKC2WEfANEZUek76g | chemistry | aldehydes-ketones-and-carboxylic-acids | chemical-reactions-for-aldehydes-and-ketones | In the following reaction
<picture><source media="(max-width: 320px)" srcset="https://res.cloudinary.com/dckxllbjy/image/upload/v1734265204/exam_images/dzeacqo3al3sl70dxxrw.webp"/><source media="(max-width: 500px)" srcset="https://res.cloudinary.com/dckxllbjy/image/upload/v1734266369/exam_images/ai8snqssrvnujwsxa63p.we... | [{"identifier": "A", "content": "Propanal as substrate and methanol in\nstoichiometric amount."}, {"identifier": "B", "content": "Acetone as substrate and methanol in\nstoichiometric amount"}, {"identifier": "C", "content": "Propanal as substrate and methanol in\nexcess"}, {"identifier": "D", "content": "Acetone as sub... | ["C"] | null | Steric hindrance of aldehydes is less compares to the ketone that is why aldehydes are more reactive than
ketones in nucleophilic addition reactions.
<br><br>So among propanal and acetone, propanal is suitable as substance.
<br><br>And to form acetal, excess amount of alcohol is required so here methanol in excess is r... | mcq | jee-main-2019-online-9th-april-evening-slot | 171 |
20psD0d96kY6grtqJA3rsa0w2w9jx117exw | chemistry | aldehydes-ketones-and-carboxylic-acids | chemical-reactions-for-aldehydes-and-ketones | The major product 'Y' in the following reaction is :
<picture><source media="(max-width: 320px)" srcset="https://res.cloudinary.com/dckxllbjy/image/upload/v1734266823/exam_images/o5fx9ockxh6c1oysctaz.webp"/><img src="data:image/png;base64,UklGRpYNAABXRUJQVlA4IIoNAAAwXQCdASqoAr8APm02mUkkIqKhIhOI6IANiWlu/HyZM5fnZ10/pz/Lv... | [{"identifier": "A", "content": "<picture><source media=\"(max-width: 320px)\" srcset=\"https://res.cloudinary.com/dckxllbjy/image/upload/v1734264621/exam_images/mrknakgialmylxoa5ocf.webp\"><img src=\"https://res.cloudinary.com/dckxllbjy/image/upload/v1734267034/exam_images/n1lnvc8bqapfrqtycfc1.webp\" style=\"max-width... | ["A"] | null | <picture><source media="(max-width: 320px)" srcset="https://res.cloudinary.com/dckxllbjy/image/upload/v1734264400/exam_images/cccbjcjxcp6gfedpt5ux.webp"><source media="(max-width: 500px)" srcset="https://res.cloudinary.com/dckxllbjy/image/upload/v1734265863/exam_images/poj1neqtzuqjlcgrplqy.webp"><img src="https://res.c... | mcq | jee-main-2019-online-10th-april-evening-slot | 172 |
sjI7WU3tabLqTXuQBMbpM | chemistry | aldehydes-ketones-and-carboxylic-acids | chemical-reactions-for-aldehydes-and-ketones | p-Hydroxybenzophenone upon reaction with
bromine in carbon tetrachloride gives: | [{"identifier": "A", "content": "<picture><source media=\"(max-width: 320px)\" srcset=\"https://res.cloudinary.com/dckxllbjy/image/upload/v1734266064/exam_images/b7vilf6p1bkjms1m3ycr.webp\"><img src=\"https://res.cloudinary.com/dckxllbjy/image/upload/v1734263815/exam_images/jixwlg5bswxld5rndysf.webp\" style=\"max-width... | ["B"] | null | <picture><source media="(max-width: 320px)" srcset="https://res.cloudinary.com/dckxllbjy/image/upload/v1734263461/exam_images/xytpydos1f8781bl4lh4.webp"><source media="(max-width: 500px)" srcset="https://res.cloudinary.com/dckxllbjy/image/upload/v1734265432/exam_images/ouncbrsw5m7i0afpb8zj.webp"><source media="(max-wid... | mcq | jee-main-2019-online-9th-april-evening-slot | 173 |
XwS52W7SjXGOVQcSpcLQl | chemistry | aldehydes-ketones-and-carboxylic-acids | chemical-reactions-for-aldehydes-and-ketones | The major product obtained in the following
reaction is
<img src="data:image/png;base64,UklGRtwMAABXRUJQVlA4INAMAACwXQCdASrsAtIAPm02mEmkIqIhIVCoyIANiWlu4XU17mNwsf4f/g347+Cv9a/KLxF/Qv1D8nvxr93Fmj+4fyP+z/7/8wvfr+5/zj9t/Pn3hfxfqEelf6z/Of2m/uX7pe27/AdxmAD6f/5D+T/0zyHP7L+L84F+rP+n/hXtb/sf7N4t9AX83/33+S/0f9evgx/uP4n/PP/B/3Pa... | [{"identifier": "A", "content": "<img src=\"https://res.cloudinary.com/dckxllbjy/image/upload/v1734267794/exam_images/lnper6csolsokk5fls59.webp\" style=\"max-width: 100%; height: auto;display: block;margin: 0 auto;\" loading=\"lazy\" alt=\"JEE Main 2019 (Online) 8th April Evening Slot Chemistry - Aldehydes, Ketones an... | ["B"] | null | <picture><source media="(max-width: 320px)" srcset="https://res.cloudinary.com/dckxllbjy/image/upload/v1734266836/exam_images/bk0yiugxbvautid8snhz.webp"><source media="(max-width: 500px)" srcset="https://res.cloudinary.com/dckxllbjy/image/upload/v1734265729/exam_images/nkjfdcgi46ueli0uwmec.webp"><img src="https://res.c... | mcq | jee-main-2019-online-8th-april-evening-slot | 174 |
S8F8ivYx6J7wuMl4ypuRC | chemistry | aldehydes-ketones-and-carboxylic-acids | chemical-reactions-for-aldehydes-and-ketones | The major product of the following reaction is :
<img src="data:image/png;base64,UklGRtIKAABXRUJQVlA4IMYKAACQcACdASoAAwUBP4G812Y2LqwnIdEZCsAwCWlu/HyZir0HZ19/rH/fvB//AbPpfjZ19l+1f+kvBCgA736cZ+eMi56P/787hK9o6sfaOrH2jqx9o6sfaOrH2jqx9o6sfaOrH2jqx8N2KNkwkDAplYVj7R1Y+0dWPtHVj7R1Y+0dWPtHVcKSvvg/k6HG7WOsY+0dWPtHVj7R1Y+0dWPhIKN... | [{"identifier": "A", "content": "<img src=\"https://res.cloudinary.com/dckxllbjy/image/upload/v1734265460/exam_images/kd2h7qaik3kb7rrjyedy.webp\" style=\"max-width: 100%; height: auto;display: block;margin: 0 auto;\" loading=\"lazy\" alt=\"JEE Main 2019 (Online) 8th April Morning Slot Chemistry - Aldehydes, Ketones an... | ["D"] | null | <picture><source media="(max-width: 320px)" srcset="https://res.cloudinary.com/dckxllbjy/image/upload/v1734266577/exam_images/n1gye7cavqzqtclorjds.webp"><source media="(max-width: 500px)" srcset="https://res.cloudinary.com/dckxllbjy/image/upload/v1734265596/exam_images/t0or6bix8xn00guh2g0a.webp"><source media="(max-wid... | mcq | jee-main-2019-online-8th-april-morning-slot | 175 |
199r9vXEgXbtr0LlCWE7R | chemistry | aldehydes-ketones-and-carboxylic-acids | chemical-reactions-for-aldehydes-and-ketones | The major product of the following reaction is :
<img src="data:image/png;base64,UklGRp4OAABXRUJQVlA4IJIOAAAQkwCdASoAA0wBP4HA2GU2MCynIpI5QsAwCWlu8p8dgVGCN+fb5M/yvcfj//ktzt2U8Aj1f//f6FwH4APvF6Tk4b9so0ssw9L/9ecD92ESXoABrhJRdn1BD6gh9QQ+oIfUEPqCHy1E5HNatid3/igcjmtWxOXGIPET5bNixfulE5HNatid3/lVEYnd/4oHIslvMp3Hcif3QJatid3/hTb... | [{"identifier": "A", "content": "<img src=\"https://res.cloudinary.com/dckxllbjy/image/upload/v1734265290/exam_images/ax37xxiax14b6nfb1ddw.webp\" style=\"max-width: 100%; height: auto;display: block;margin: 0 auto;\" loading=\"lazy\" alt=\"JEE Main 2019 (Online) 8th April Morning Slot Chemistry - Aldehydes, Ketones an... | ["D"] | null | <picture><source media="(max-width: 320px)" srcset="https://res.cloudinary.com/dckxllbjy/image/upload/v1734264448/exam_images/irvw1krwjxxbflmfm9ej.webp"><source media="(max-width: 500px)" srcset="https://res.cloudinary.com/dckxllbjy/image/upload/v1734265141/exam_images/sgwkdkdltq1aqkxygxkt.webp"><source media="(max-wid... | mcq | jee-main-2019-online-8th-april-morning-slot | 176 |
3V67IKAULyqeDIlG1Z4VR | chemistry | aldehydes-ketones-and-carboxylic-acids | chemical-reactions-for-aldehydes-and-ketones | The aldehydes which will not form Grignard product with one equivalent Grignard reagents are -
<br/><br/><img src="data:image/png;base64,UklGRkgXAABXRUJQVlA4IDwXAABw2gCdASoAA+QBP4G812W2Lr+nIfLZc/AwCWlu/EGv6Zq1MxNF2f1O/xH947z/+H9rvcLTzb+9ExPb2R/MHUF9ffpz/aeBqAD3vM4z8z0J/+v1s8Lg9H/7+dj92/Pr2UBHWN3rG71jd6xu9Y3esbvWN3rG71... | [{"identifier": "A", "content": "B and D"}, {"identifier": "B", "content": "C and D"}, {"identifier": "C", "content": "B, C and D"}, {"identifier": "D", "content": "B and C"}] | ["A"] | null | Grignard product is that product which forms because of nucleophilic addition reaction.
<br><br>Aldehydes on reaction with Grignard reagent gives Grignard product.
<br><br><img src="https://res.cloudinary.com/dckxllbjy/image/upload/v1734266665/exam_images/lp0x6cownqqrl10raiva.webp" style="max-width: 100%; height: auto... | mcq | jee-main-2019-online-12th-january-evening-slot | 178 |
rkjkF6SNdOUunMBcHaf3S | chemistry | aldehydes-ketones-and-carboxylic-acids | chemical-reactions-for-aldehydes-and-ketones | In the following reaction, products A and B are –
<br/><br/><img src="data:image/png;base64,UklGRgQVAABXRUJQVlA4IPgUAAAwawCdASoAA6UAPm00l0kkIqKhIfOJwIANiWlu7eAQ0yHwngfK/9E/HbwX/sH46+JX6F/Af2T9mfWUyx9hP996Gfxv7H/av7v+2X90/b/4u75+AF+P/yP+yfk1/cf3o9zPZ+aZ/s/+X6gXrp8//xv91/eb/Sell/Seg32U/wnuAf0L+nf5z7b/oDv2PSfYC/nf9p/6X9v... | [{"identifier": "A", "content": "<img src=\"https://res.cloudinary.com/dckxllbjy/image/upload/v1734266106/exam_images/mkb7dsifegvylsvtmezb.webp\" style=\"max-width: 100%; height: auto;display: block;margin: 0 auto;\" loading=\"lazy\" alt=\"JEE Main 2019 (Online) 12th January Morning Slot Chemistry - Aldehydes, Ketones... | ["B"] | null | <picture><source media="(max-width: 320px)" srcset="https://res.cloudinary.com/dckxllbjy/image/upload/v1734264569/exam_images/okdpnzulxqlhyabd25kr.webp"><source media="(max-width: 500px)" srcset="https://res.cloudinary.com/dckxllbjy/image/upload/v1734264157/exam_images/hbtfxarlvhkmkqlppte3.webp"><source media="(max-wid... | mcq | jee-main-2019-online-12th-january-morning-slot | 179 |
JIM7QaEhNwZhyVTpJtr0n | chemistry | aldehydes-ketones-and-carboxylic-acids | chemical-reactions-for-aldehydes-and-ketones | The major product obtained in the following conversion is
<img src="data:image/png;base64,UklGRkgXAABXRUJQVlA4IDwXAACQzQCdASrKAuIBP4G812Y2LqwnIVBZesAwCWlu/DqX5V9ZMo/DyV/lu4nlDNwPAf8f1rn/n/a9x/YjwAvWf6r78WAD8t82qZN90aKvS7vWpjnpI/+fke/fP/F+/3p/9sMR+THyFpW8fIWlbx8haVvHyFpW8fIWW75r2g8pJRrvmvaDyklGu+a9oPKSUa75sim17VU9B/JD2g... | [{"identifier": "A", "content": "<img src=\"https://res.cloudinary.com/dckxllbjy/image/upload/v1734265547/exam_images/qmrvcxco2qwqwagweyfa.webp\" style=\"max-width: 100%; height: auto;display: block;margin: 0 auto;\" loading=\"lazy\" alt=\"JEE Main 2019 (Online) 11th January Evening Slot Chemistry - Aldehydes, Ketones... | ["A"] | null | <picture><source media="(max-width: 320px)" srcset="https://res.cloudinary.com/dckxllbjy/image/upload/v1734264463/exam_images/bvvk3faqb6daurw57fes.webp"><source media="(max-width: 500px)" srcset="https://res.cloudinary.com/dckxllbjy/image/upload/v1734267261/exam_images/kfubjlxhswnhanatmdbc.webp"><source media="(max-wid... | mcq | jee-main-2019-online-11th-january-evening-slot | 180 |
29YAhNwM2Es5bEm4c8UeK | chemistry | aldehydes-ketones-and-carboxylic-acids | chemical-reactions-for-aldehydes-and-ketones | The major product obtained in the following reaction is :
<br/><br/><img src="data:image/png;base64,UklGRqQRAABXRUJQVlA4IJgRAAAwugCdASoAA6UBP4G+12W2LywnIjK5MsAwCWlu4XMl7mNwvH5f/2mN44K2e/Zr81tQLo69x6Bm4Cwz8L/6/Xizzf/x59Cv/gdzqkko3NsvKbOqSSjc2y8ps6pJKNzbLymzqkko3NsvKbOqSSjc2y8ps6pI45PDL8k9y9dmyI+IGlksB5Q5FmTEtBj8npVqDed0... | [{"identifier": "A", "content": "<img src=\"https://res.cloudinary.com/dckxllbjy/image/upload/v1734263317/exam_images/ex2diwd6qrcs63r8hh1j.webp\" style=\"max-width: 100%; height: auto;display: block;margin: 0 auto;\" loading=\"lazy\" alt=\"JEE Main 2019 (Online) 11th January Evening Slot Chemistry - Aldehydes, Ketones... | ["D"] | null | <picture><source media="(max-width: 320px)" srcset="https://res.cloudinary.com/dckxllbjy/image/upload/v1734267537/exam_images/du6fmgj6e12bi1nepeob.webp"><source media="(max-width: 500px)" srcset="https://res.cloudinary.com/dckxllbjy/image/upload/v1734266916/exam_images/mip5zziyeblud3indvij.webp"><source media="(max-wid... | mcq | jee-main-2019-online-11th-january-evening-slot | 181 |
BHQBglHwBUUlNX7Kf1d5J | chemistry | aldehydes-ketones-and-carboxylic-acids | chemical-reactions-for-aldehydes-and-ketones | The major product of the following reaction is :
<br/><br/><img src="data:image/png;base64,UklGRsQMAABXRUJQVlA4ILgMAAAQfwCdASqFAmkBP4G812Y2LqwnIVFZOsAwCWlu4W+0wmNwvj5i/vPcljn2kHY/iS3t/rAvLkIqosxv0nPr/9J37n/8eBEH3uHzgUUvcPnAope4fOBRS9w+b+6Vn1c+hkys+tKr60qvrSq+tKr60qvrWiIJbuAGU+f8J4phvbq02HD5wKKXuHzgUUvcPnAon3941qvjUcCW... | [{"identifier": "A", "content": "<img src=\"https://res.cloudinary.com/dckxllbjy/image/upload/v1734264186/exam_images/dsirnlmyycnty6jfxh5y.webp\" style=\"max-width: 100%; height: auto;display: block;margin: 0 auto;\" loading=\"lazy\" alt=\"JEE Main 2019 (Online) 11th January Morning Slot Chemistry - Aldehydes, Ketones... | ["C"] | null | <picture><source media="(max-width: 320px)" srcset="https://res.cloudinary.com/dckxllbjy/image/upload/v1734267075/exam_images/fm6zsgabohrflmrmwxjb.webp"><source media="(max-width: 500px)" srcset="https://res.cloudinary.com/dckxllbjy/image/upload/v1734264185/exam_images/lnwonwfbdz3a6l0ms0ra.webp"><img src="https://res.c... | mcq | jee-main-2019-online-11th-january-morning-slot | 182 |
OrP4o4FVUiww7Jau4zWIG | chemistry | aldehydes-ketones-and-carboxylic-acids | chemical-reactions-for-aldehydes-and-ketones | The major product obtained in the following reaction is :
<br/><br/><img src="data:image/png;base64,UklGRqgMAABXRUJQVlA4IJwMAABwigCdASoAA0QBP4G+2GW2L6ynIdKZEsAwCWlu4W+zMmNwvV5s/yvcbj27Uuz52ey+kAHe3zgPyplxPR//vnq/dQ26e8+0dWq5xNPlcTT5XE0+VxNPlcTTx0rPz0tIQXWDRtYNG1g0cKKWpiwg7GHi1AKCJcSEvOJp8rh5G1g0bWDRtYNG1g0bWDRsxjJ9T6y... | [{"identifier": "A", "content": "<img src=\"https://res.cloudinary.com/dckxllbjy/image/upload/v1734263388/exam_images/obrnozosmbn2cch01cuk.webp\" style=\"max-width: 100%; height: auto;display: block;margin: 0 auto;\" loading=\"lazy\" alt=\"JEE Main 2019 (Online) 10th January Evening Slot Chemistry - Aldehydes, Ketones... | ["A"] | null | This is an intramoleculer aldol condensation.
<picture><source media="(max-width: 320px)" srcset="https://res.cloudinary.com/dckxllbjy/image/upload/v1734267588/exam_images/se5sfk0euiorrr7xsjjc.webp"><source media="(max-width: 500px)" srcset="https://res.cloudinary.com/dckxllbjy/image/upload/v1734263673/exam_images/b8mo... | mcq | jee-main-2019-online-10th-january-evening-slot | 183 |
Oxv8XfsS3HZjRNSuYeeNj | chemistry | aldehydes-ketones-and-carboxylic-acids | chemical-reactions-for-aldehydes-and-ketones | What will be the major product in the following mononitration reaction ?
<br/><br/><img src="data:image/png;base64,UklGRoAMAABXRUJQVlA4IHQMAAAQfACdASoAA/QAP4G41WU2LSunI1HZksAwCWlu4XJ0SmNwur5l/yfhG1kvAH9PubOy/5BagXq79MODBAF37s3r9go1cu89P/8+ef9tFc3Iu1tBuy/8MTVIP9sPEL/l61u6cwbc3pLtl1AjTD8uoEaYfl1AjTD8tV9iWR/+GSJO4/Zfanyq... | [{"identifier": "A", "content": "<picture><source media=\"(max-width: 320px)\" srcset=\"https://res.cloudinary.com/dckxllbjy/image/upload/v1734266048/exam_images/oklrjlg4ujl2fuvtzjgj.webp\"><img src=\"https://res.cloudinary.com/dckxllbjy/image/upload/v1734264921/exam_images/fodontfbcguomd73tjf2.webp\" style=\"max-width... | ["A"] | null | <picture><source media="(max-width: 320px)" srcset="https://res.cloudinary.com/dckxllbjy/image/upload/v1734264403/exam_images/kltjjbkftgsaqmvwt1by.webp"><source media="(max-width: 500px)" srcset="https://res.cloudinary.com/dckxllbjy/image/upload/v1734263786/exam_images/daap3qfzu8ylkv1sm0tb.webp"><source media="(max-wid... | mcq | jee-main-2019-online-10th-january-evening-slot | 184 |
ER6vLxKdPfwjSpIDXaKYb | chemistry | aldehydes-ketones-and-carboxylic-acids | chemical-reactions-for-aldehydes-and-ketones | The products formed in the reaction of cumene with O<sub>2</sub><sub></sub> followed by treatment with dil. HCl are : | [{"identifier": "A", "content": "<img src=\"https://app-content.cdn.examgoal.net/fly/@width/image/1l8p8ra06/8479f4e7-7ba3-4dc0-bb12-acaee9689ab6/30d54060-4129-11ed-872d-812d64214f2f/file-1l8p8ra07.png?format=png\" data-orsrc=\"https://app-content.cdn.examgoal.net/image/1l8p8ra06/8479f4e7-7ba3-4dc0-bb12-acaee9689ab6/30d... | ["C"] | null | <img src="https://app-content.cdn.examgoal.net/fly/@width/image/1l8p8tp53/d8d2e333-6cbe-4a5b-b925-ad3603459900/7424d970-4129-11ed-872d-812d64214f2f/file-1l8p8tp54.png?format=png" data-orsrc="https://app-content.cdn.examgoal.net/image/1l8p8tp53/d8d2e333-6cbe-4a5b-b925-ad3603459900/7424d970-4129-11ed-872d-812d64214f2f/fi... | mcq | jee-main-2019-online-9th-january-evening-slot | 185 |
hqc93194v0XaFtccA7jgy2xukf3m1mma | chemistry | aldehydes-ketones-and-carboxylic-acids | chemical-reactions-for-aldehydes-and-ketones | The compound A in the following reaction is :
<picture><source media="(max-width: 320px)" srcset="https://res.cloudinary.com/dckxllbjy/image/upload/v1734263643/exam_images/gnipqmui6biyhzfgjfcg.webp"/><img src="data:image/png;base64,UklGRgYVAABXRUJQVlA4IPoUAABwnwCdASqoAi8BP4G812Q2L6wmo/IZ6sAwCWlu6B/JCGLZbgecP9V4Ov4zHny/... | [{"identifier": "A", "content": "<img src=\"https://res.cloudinary.com/dckxllbjy/image/upload/v1734267775/exam_images/finguxjcwr13uegizcd1.webp\" style=\"max-width: 100%;height: auto;display: block;margin: 0 auto;\" loading=\"lazy\" alt=\"JEE Main 2020 (Online) 3rd September Evening Slot Chemistry - Aldehydes, Ketones ... | ["D"] | null | <picture><source media="(max-width: 320px)" srcset="https://res.cloudinary.com/dckxllbjy/image/upload/v1734265787/exam_images/pk8lewknldsuevtj2aiz.webp"><source media="(max-width: 500px)" srcset="https://res.cloudinary.com/dckxllbjy/image/upload/v1734264727/exam_images/mr7schcyp0rd1qdsfujw.webp"><img src="https://res.c... | mcq | jee-main-2020-online-3rd-september-evening-slot | 189 |
pvpd8k5b5XMlntQ7j3jgy2xukfj9hbkf | chemistry | aldehydes-ketones-and-carboxylic-acids | chemical-reactions-for-aldehydes-and-ketones | The increasing order of the acidity of the $$\alpha $$-hydrogen of the following compounds is :
<img src="data:image/png;base64,UklGRroRAABXRUJQVlA4IK4RAACQbgCdASqmATkBPm02l0kkIqIhIpEpgIANiWlu/DZ5VOtQzv0P/in4/d/39n/qHkn+K/KP2n8q/7j6xP8P0eX9N/FPNt9Zfv/8I/q//R/t37hfd78d/038b/uf+t/qvoz75vin2BfTP99/i/8//0v9f/dr2bf6X+Gfz3wH... | [{"identifier": "A", "content": "(C) < (A) < (B) < (D)"}, {"identifier": "B", "content": "(B) < (C) < (A) < (D)"}, {"identifier": "C", "content": "(A) < (C) < (D) < (B)"}, {"identifier": "D", "content": "(D) < (C) < (A) < (B)"}] | ["D"] | null | <picture><source media="(max-width: 320px)" srcset="https://res.cloudinary.com/dckxllbjy/image/upload/v1734265152/exam_images/ac8tbrlqvosn5c95jpnl.webp"><img src="https://res.cloudinary.com/dckxllbjy/image/upload/v1734265989/exam_images/uitxjlwtehyl6geudxtz.webp" style="max-width: 100%;height: auto;display: block;margi... | mcq | jee-main-2020-online-5th-september-morning-slot | 191 |
w7cEGXV1yv6u0sF9q8jgy2xukfcf4zxc | chemistry | aldehydes-ketones-and-carboxylic-acids | chemical-reactions-for-aldehydes-and-ketones | The major product [C] of the following reaction
sequence will be :
<img src="data:image/png;base64,UklGRqgLAABXRUJQVlA4IJwLAABQRgCdASqWAXwAPm00l0ekIyIhKRPZOIANiWlu/HyYputQy/0v/pv43eBf9p8QfEd6F/XP2j9V74A6iK+P/J/yf+z/6/+x+uH+9/mHkDwEfTX+j/j/jr/UT9gPCDsB6AXcL9Lv6749P9x/SPUr6iea5/t/5R+Hvs9/op5kvcf60/AT+W//N/HP7z+t3wD/8v8j/... | [{"identifier": "A", "content": "<img src=\"https://res.cloudinary.com/dckxllbjy/image/upload/v1734264371/exam_images/vslb1nbohxngrjqw7ipd.webp\" style=\"max-width: 100%;height: auto;display: block;margin: 0 auto;\" loading=\"lazy\" alt=\"JEE Main 2020 (Online) 4th September Evening Slot Chemistry - Aldehydes, Ketones ... | ["B"] | null | <img src="https://res.cloudinary.com/dckxllbjy/image/upload/v1734264483/exam_images/ljuutkcytwlbm9w0ln6d.webp" style="max-width: 100%;height: auto;display: block;margin: 0 auto;" loading="lazy" alt="JEE Main 2020 (Online) 4th September Evening Slot Chemistry - Aldehydes, Ketones and Carboxylic Acids Question 141 Englis... | mcq | jee-main-2020-online-4th-september-evening-slot | 192 |
J5jOWF2pEgg7ZkxWJNjgy2xukf3lmbbq | chemistry | aldehydes-ketones-and-carboxylic-acids | chemical-reactions-for-aldehydes-and-ketones | The increasing order of the reactivity of the
following compound in nucleophilic addition
reaction is :
<br/><br/>Propanal, Benzaldehyde, Propanone, Butanone | [{"identifier": "A", "content": "Butanone < Propanone < Benzaldehyde <\nPropanal"}, {"identifier": "B", "content": "Benzaldehyde < Butanone < Propanone <\nPropanal"}, {"identifier": "C", "content": "Propanal < Propanone < Butanone <\nBenzaldehyde"}, {"identifier": "D", "content": "Benzaldehyd... | ["A"] | null | <b>Rate of Nucleophilic addition :</b>
<br><br>1. Aldehyde > Ketone
<br><br>2. Aliphatic aldehyde > Aromatic aldehyde
<br><br>$$ \therefore $$ Correct order of nucleophilic addition reaction is :
<br><picture><source media="(max-width: 320px)" srcset="https://res.cloudinary.com/dckxllbjy/image/upload/v1734265943/... | mcq | jee-main-2020-online-3rd-september-evening-slot | 193 |
ELvvCiMmYgnGGK5Y9pjgy2xukeyg0kda | chemistry | aldehydes-ketones-and-carboxylic-acids | chemical-reactions-for-aldehydes-and-ketones | Two compounds A and B with same molecular
formula (C<sub>3</sub>H<sub>6</sub>O) undergo Grignard’s reaction
with methylmagnesium bromide to give
products C and D. Products C and D show
following chemical tests.
<img src="data:image/png;base64,UklGRjgqAABXRUJQVlA4ICwqAADQyACdASr0ATYBPm0ylUckIychJhGsSOANiWlu+F8T1oyTPF59s... | [{"identifier": "A", "content": "<img src=\"https://res.cloudinary.com/dckxllbjy/image/upload/v1734266393/exam_images/xbu78l5jjytwm7eqmyem.webp\" style=\"max-width: 100%;height: auto;display: block;margin: 0 auto;\" loading=\"lazy\" alt=\"JEE Main 2020 (Online) 2nd September Evening Slot Chemistry - Aldehydes, Ketones ... | ["D"] | null | <picture><source media="(max-width: 320px)" srcset="https://res.cloudinary.com/dckxllbjy/image/upload/v1734263994/exam_images/ctl9el8qsk7kigbuqgqg.webp"><source media="(max-width: 500px)" srcset="https://res.cloudinary.com/dckxllbjy/image/upload/v1734266299/exam_images/cizbjyijnhvr2atrh3sm.webp"><img src="https://res.c... | mcq | jee-main-2020-online-2nd-september-evening-slot | 194 |
K81XXVbNMQ1cTbNxu97k9k2k5llzz2d | chemistry | aldehydes-ketones-and-carboxylic-acids | chemical-reactions-for-aldehydes-and-ketones | Consider the following reactions<br/><br/>
<img src="data:image/png;base64,UklGRtYKAABXRUJQVlA4IMoKAAAQOQCdASr0AT0APm0ylkgkIqIhJtJqcIANiWlu3WBpKZ+hX8L/FXwI/rnhv+HfLv3j8o/7B7KX7l0an8h29XwX85/b/01/wH84/ZH+d+hfvI+LfYC9Mf3D+eePj/Vf0DuYqtf3b1AvaT5N/bf5l/Zv97/X/Pm/mf5h6j/Tf/Gehf/oP6X+4vxd/gP0R8gbxb2BvyP/qv59/g/2d+BD+5/kH9e/4... | [] | null | 66.66TO66.67 | <img src="https://res.cloudinary.com/dckxllbjy/image/upload/v1734263621/exam_images/he2sodnjxdclf8rmmag7.webp" style="max-width: 100%;height: auto;display: block;margin: 0 auto;" loading="lazy" alt="JEE Main 2020 (Online) 9th January Evening Slot Chemistry - Aldehydes, Ketones and Carboxylic Acids Question 151 English ... | integer | jee-main-2020-online-9th-january-evening-slot | 195 |
ikSQx38fFEKFIoGsYX7k9k2k5ibuu3v | chemistry | aldehydes-ketones-and-carboxylic-acids | chemical-reactions-for-aldehydes-and-ketones | Identify (A) in the following reaction sequence :
<img src="data:image/png;base64,UklGRswZAABXRUJQVlA4IMAZAABQhwCdASr0AQIBPm00l0ikIqKhInGqAIANiWlu/HyZcetQyP0I/kf46d//9k/tX7G+hv4t81/bP7P+0v9y9Xr+I/mXT9/1X8u7sf4L+Qf1v/h/3P1+/t/8m/sn/K/t3oz7v/6f+IewL6d/v/8Z/r/+7/s3pX/xn8T/in/I/snkD1a/yX8z9gL3C+V/5H+Mf0//h/3Xzy/3j+P/y7/ifv... | [{"identifier": "A", "content": "<img src=\"https://res.cloudinary.com/dckxllbjy/image/upload/v1734264215/exam_images/d8im1ikoz7xz9tq3nlfn.webp\" style=\"max-width: 100%;height: auto;display: block;margin: 0 auto;\" loading=\"lazy\" alt=\"JEE Main 2020 (Online) 9th January Morning Slot Chemistry - Aldehydes, Ketones an... | ["A"] | null | <picture><source media="(max-width: 320px)" srcset="https://res.cloudinary.com/dckxllbjy/image/upload/v1734263357/exam_images/ipdh3ehtipfam04efoyt.webp"><img src="https://res.cloudinary.com/dckxllbjy/image/upload/v1734264461/exam_images/f99fvjdxllj97tvbfujc.webp" style="max-width: 100%;height: auto;display: block;margi... | mcq | jee-main-2020-online-9th-january-morning-slot | 196 |
thTZo4jRH0CZnLBSFJ1klrufnjf | chemistry | aldehydes-ketones-and-carboxylic-acids | chemical-reactions-for-aldehydes-and-ketones | <img src="data:image/png;base64,UklGRuAKAABXRUJQVlA4INQKAABQqQCdASoAA7kBP4HA3WS2Mi4nIvZI2sAwCWlu8o9dlCfiN+fb58/3X9b6+/lfrimu/Lbvb/Ff2z99dSRAB9//Uyrhe5z//8Bf//B+tLRKfasfWiU+1Y+tEp9qx9aJT7Vj6sJ7Az6H7Mn/+LCCWVWBPr+4msQS8e9KRzSm3LCSWmppuCiE+wgllVgZ3mTdPrwbpIhaKBrRU92GqC7hZ2JNuTIH3zf0ihqnEEq5Z3yil7izvlFLxBjLloKVWIWo5nqpEGpZ... | [{"identifier": "A", "content": "Red P + Cl<sub>2</sub>"}, {"identifier": "B", "content": "$$N{H_2} - N{H_2}/{C_2}{H_5}\\mathop O\\limits^\\Theta \\mathop N\\limits^ \\oplus a$$"}, {"identifier": "C", "content": "NaBH<sub>4</sub>"}, {"identifier": "D", "content": "Ni/H<sub>2</sub>"}] | ["B"] | null | <p>To reduce the carbonyl groups into alkane, Wolff-Kishner reduction is used, without affecting the double bond.</p>
<p>Wolff-Kishner reagent It utilises hydrazine (NH<sub>2</sub> $$-$$ NH<sub>2</sub>) as the reducing agent in the presence of strong base KOH or C<sub>2</sub>H<sub>5</sub>$$\overline O $$Na<sup>+</sup> ... | mcq | jee-main-2021-online-24th-february-evening-slot | 197 |
QxnF8rPasnsorqAIPG1klus7k3h | chemistry | aldehydes-ketones-and-carboxylic-acids | chemical-reactions-for-aldehydes-and-ketones | Identify A in the following chemical reaction.<br/><br/><img src="data:image/png;base64,UklGRrYPAABXRUJQVlA4IKoPAADQTwCdASrXAVwAPm00lkekIyIhJHR7cIANiWlu3pfpnjbfeKP4x2g/1X8d/Pv8O+aftP5NelbWY/2non84/vf8s/tH+k/uX7Ve/H+e/jP9R/Vr0T9wH9l/H/YC9S/4n+R/2X/n/2f1Af6f+Ad35pP9Y/0n9A9gX2S+Qf4X+P/2j/m/370BP3L+OftD7gfU7+4/kB9AP6ff4j+j... | [{"identifier": "A", "content": "<img src=\"https://res.cloudinary.com/dckxllbjy/image/upload/v1734266246/exam_images/vtxcdk5wlu8sexmrw4jm.webp\" style=\"max-width: 100%;height: auto;display: block;margin: 0 auto;\" loading=\"lazy\" alt=\"JEE Main 2021 (Online) 26th February Evening Shift Chemistry - Aldehydes, Ketones... | ["A"] | null | <picture><source media="(max-width: 320px)" srcset="https://res.cloudinary.com/dckxllbjy/image/upload/v1734265752/exam_images/x6nowegnv2oh5eymuofg.webp"><img src="https://res.cloudinary.com/dckxllbjy/image/upload/v1734266238/exam_images/ohpdlcdsl9twdfih65mf.webp" style="max-width: 100%;height: auto;display: block;margi... | mcq | jee-main-2021-online-26th-february-evening-slot | 200 |
O6iqlXQI4VzUBBe6yQ1klus9fsh | chemistry | aldehydes-ketones-and-carboxylic-acids | chemical-reactions-for-aldehydes-and-ketones | <img src="data:image/png;base64,UklGRhAJAABXRUJQVlA4IAQJAABwMwCdASoeAWQAPm0ylkgkIqIhJbLqOIANiWlu4W3BG/Np8I/xvtX/t35DeIz57++flp6gNaHfj/jv6X/TfRL/UeEfvy+EfYI9cf4D+XePv+7dyTUb9JfYC9mPnH+M/k/9b8iL+v/hfqR9Y/M8/zn8p9pv9z+gHkmeAfqB8A/86/qH+s/oX9Y/Y33+/7P+Rf1T9jvbR8qf8T+Uf3b9g/sO/UH/b/yP+t/sb8uPsy/Z32R/1P/RkoNICqC8+8x7yVlKRL09... | [{"identifier": "A", "content": "<img src=\"https://res.cloudinary.com/dckxllbjy/image/upload/v1734266657/exam_images/q051lyebjpljkad9ixd0.webp\" style=\"max-width: 100%;height: auto;display: block;margin: 0 auto;\" loading=\"lazy\" alt=\"JEE Main 2021 (Online) 26th February Evening Shift Chemistry - Aldehydes, Ketones... | ["A"] | null | <img src="https://res.cloudinary.com/dckxllbjy/image/upload/v1734265847/exam_images/naivn2n8nuuiflmnk1xc.webp" style="max-width: 100%;height: auto;display: block;margin: 0 auto;" loading="lazy" alt="JEE Main 2021 (Online) 26th February Evening Shift Chemistry - Aldehydes, Ketones and Carboxylic Acids Question 124 Engli... | mcq | jee-main-2021-online-26th-february-evening-slot | 201 |
uPVTXW6JTEgHxcDHEH1klusa7ul | chemistry | aldehydes-ketones-and-carboxylic-acids | chemical-reactions-for-aldehydes-and-ketones | Identify A in the given chemical reaction.<br/><br/><img src="data:image/png;base64,UklGRr4OAABXRUJQVlA4ILIOAADwTwCdASrDAXYAPm00l0gkIqIhI/G6gIANiWlu4W5xG/Ox8Kfwj8X/MR+bfzv8dfQf8W+YftX5Xf2j16fhjbUfW771/Lf7b/v/7N+3Xvl/hv4x4l+3T9f/gH7GfAL6Z/tH8e/b/+l+kf9Jv8j30lM/7B6gXsH82/v38g/t3/p/uXnkfv38c/Y3+e///5G+mX+N/J36AP05/0/8j/cT... | [{"identifier": "A", "content": "<img src=\"https://res.cloudinary.com/dckxllbjy/image/upload/v1734264592/exam_images/nsuuou2vwxzibcevaov9.webp\" style=\"max-width: 100%;height: auto;display: block;margin: 0 auto;\" loading=\"lazy\" alt=\"JEE Main 2021 (Online) 26th February Evening Shift Chemistry - Aldehydes, Ketones... | ["D"] | null | <img src="https://res.cloudinary.com/dckxllbjy/image/upload/v1734264899/exam_images/jcw6ssqd1q2j46c1lpti.webp" style="max-width: 100%;height: auto;display: block;margin: 0 auto;" loading="lazy" alt="JEE Main 2021 (Online) 26th February Evening Shift Chemistry - Aldehydes, Ketones and Carboxylic Acids Question 122 Engli... | mcq | jee-main-2021-online-26th-february-evening-slot | 202 |
6kgnhuCGuxmp1QdBML1kmhsh7he | chemistry | aldehydes-ketones-and-carboxylic-acids | chemical-reactions-for-aldehydes-and-ketones | <img src="data:image/png;base64,UklGRhoTAABXRUJQVlA4IA4TAADwYACdASo4AqUAPm02l0ikIqKhI1ZJuIANiWlu/E843cmjOzrm/Rz+Sfjd31f1X9XP9d6E/h/y/9o/Jz07/iLWgfh/5D/b/9z6T/6L+X/179WPSf4M/snqBfln8a/xn86/Fr09f5H+d/03wKKif4X+KewF66fNP8X/O/7l/3f8F5837n/U/5j/0fc/61+wB+qn+r/kX7gf3D5x/03+8/ifki+D/7X+l/AJ/Tf6n/h/5v/W/+Z/afpg/TP95/Jf61/6/8B7... | [{"identifier": "A", "content": "<img src=\"https://res.cloudinary.com/dckxllbjy/image/upload/v1734266028/exam_images/sbybpa2wbmzkxhi0ehvq.webp\" style=\"max-width: 100%;height: auto;display: block;margin: 0 auto;\" loading=\"lazy\" alt=\"JEE Main 2021 (Online) 16th March Morning Shift Chemistry - Aldehydes, Ketones an... | ["B"] | null | <img src="https://res.cloudinary.com/dckxllbjy/image/upload/v1734265909/exam_images/mxivlgtgevylkhdyd9h0.webp" style="max-width: 100%;height: auto;display: block;margin: 0 auto;" loading="lazy" alt="JEE Main 2021 (Online) 16th March Morning Shift Chemistry - Aldehydes, Ketones and Carboxylic Acids Question 120 English ... | mcq | jee-main-2021-online-16th-march-morning-shift | 203 |
2eFSFATAXR5ud4fcWh1kmj7c0hw | chemistry | aldehydes-ketones-and-carboxylic-acids | chemical-reactions-for-aldehydes-and-ketones | <img src="data:image/png;base64,UklGRu4LAABXRUJQVlA4IOILAACQQwCdASrHAWcAPm00lUkkIqIhIpEKcIANiWlu/HyX2+tQ0f0b/hXaN/UPyT9AfxD5f/IfkB6Wf5n0gP8h5LPrF92/l/9Y/2Ho7/iP594u+lr1CPVf+D/lP9U8wnZHQAewF7PfLP73/H/6n/5P8l5wH7x/Pv6N/0fcD6K/3r8qvoA/UL/D/xb+o/rr7Ov6AeRT3h/gP478Af9E/qP92/on9d/Xv6Zf1D/Sfxz+h/s77Tfzn+1/7v+Yf4H9jPsP/nv9J/0X... | [{"identifier": "A", "content": "<img src=\"https://res.cloudinary.com/dckxllbjy/image/upload/v1734265353/exam_images/udy7evkidfz9pxjukudg.webp\" style=\"max-width: 100%;height: auto;display: block;margin: 0 auto;\" loading=\"lazy\" alt=\"JEE Main 2021 (Online) 17th March Morning Shift Chemistry - Aldehydes, Ketones an... | ["D"] | null | Ethylene glycol in presence of H<sup>+</sup> will convert
ketone into cyclic ketal and the ester group remains
intact.
<br><picture><source media="(max-width: 320px)" srcset="https://res.cloudinary.com/dckxllbjy/image/upload/v1734266371/exam_images/zunpnkiinlqen2dr6odd.webp"><source media="(max-width: 500px)" srcset="h... | mcq | jee-main-2021-online-17th-march-morning-shift | 205 |
MpjIF1drUt6qEh2VDk1kmm1hbdw | chemistry | aldehydes-ketones-and-carboxylic-acids | chemical-reactions-for-aldehydes-and-ketones | <img src="data:image/png;base64,UklGRpgIAABXRUJQVlA4IIwIAACQNQCdASp2AXEAPm00l0ikIqIhIzNpwIANiWlu/HyZGutQyv0T/hfah/Zfyi8Rf0T9//Kn0Wate+P/L/xjzP/vH8g/arzV4AXpz/V/z3x8fpn/VfBUph6AXZP/VfzL8WPPd/k/6J6gfV32AP08/0H839pP73/nf4B5LVAX+gf0r/MfxX+v/sr76P9p/Hv7T/2v8x7Yvmb/o/x78b/sN/T7/Z/xf+4/+b/BfMB7AP259k/9Pv0QHF2mXBrbjzL6IsgSPN+Q... | [{"identifier": "A", "content": "<img src=\"https://res.cloudinary.com/dckxllbjy/image/upload/v1734267087/exam_images/d3qvjpzb9o9iutgcxpio.webp\" style=\"max-width: 100%;height: auto;display: block;margin: 0 auto;\" loading=\"lazy\" alt=\"JEE Main 2021 (Online) 18th March Evening Shift Chemistry - Aldehydes, Ketones an... | ["A"] | null | <img src="https://res.cloudinary.com/dckxllbjy/image/upload/v1734265731/exam_images/whyucexa0hoovanciiba.webp" style="max-width: 100%;height: auto;display: block;margin: 0 auto;" loading="lazy" alt="JEE Main 2021 (Online) 18th March Evening Shift Chemistry - Aldehydes, Ketones and Carboxylic Acids Question 113 English ... | mcq | jee-main-2021-online-18th-march-evening-shift | 206 |
1krxava5i | chemistry | aldehydes-ketones-and-carboxylic-acids | chemical-reactions-for-aldehydes-and-ketones | <picture><source media="(max-width: 320px)" srcset="https://res.cloudinary.com/dckxllbjy/image/upload/v1734266655/exam_images/oqfruftpbb41xngjvi5a.webp"/><source media="(max-width: 500px)" srcset="https://res.cloudinary.com/dckxllbjy/image/upload/v1734265839/exam_images/gft3pbuewnuovsddgzss.webp"/><img src="data:image/... | [{"identifier": "A", "content": "<img src=\"https://res.cloudinary.com/dckxllbjy/image/upload/v1734263497/exam_images/ik2aiqmzfqljwdsziy5s.webp\" style=\"max-width: 100%;height: auto;display: block;margin: 0 auto;\" loading=\"lazy\" alt=\"JEE Main 2021 (Online) 25th July Evening Shift Chemistry - Aldehydes, Ketones and... | ["A"] | null | <img src="https://res.cloudinary.com/dckxllbjy/image/upload/v1734264801/exam_images/fuvxcr29pxqotawkb6ig.webp" style="max-width: 100%;height: auto;display: block;margin: 0 auto;" loading="lazy" alt="JEE Main 2021 (Online) 25th July Evening Shift Chemistry - Aldehydes, Ketones and Carboxylic Acids Question 105 English E... | mcq | jee-main-2021-online-25th-july-evening-shift | 208 |
1ktb3w34d | chemistry | aldehydes-ketones-and-carboxylic-acids | chemical-reactions-for-aldehydes-and-ketones | The major products formed in the following reaction sequence A and B are :<br/><br/><img src="data:image/png;base64,UklGRmQLAABXRUJQVlA4IFgLAABQRQCdASqlAZQAPm00l0ikIqIhJDD5qIANiWlu4XHhG/OT8AfyT8ffCD+8/kl4jvqf7v+Ue0X93L7v/GP6b/zvUP/gfxTxj+D/8x/IPYC9G/4L+Sf0j/Kfzr0o/o73n1M/9B/APYI9xfkP9w/hn9M/5X989Cj+0/m3qB9WfUh/Pv+H/C/a... | [{"identifier": "A", "content": "<img src=\"https://res.cloudinary.com/dckxllbjy/image/upload/v1734263487/exam_images/jjq7hwuwx6ykp1wmgygu.webp\" style=\"max-width: 100%;height: auto;display: block;margin: 0 auto;\" loading=\"lazy\" alt=\"JEE Main 2021 (Online) 26th August Morning Shift Chemistry - Aldehydes, Ketones a... | ["A"] | null | <picture><source media="(max-width: 320px)" srcset="https://res.cloudinary.com/dckxllbjy/image/upload/v1734266396/exam_images/tiuebbfp66yubawl5buf.webp"><source media="(max-width: 500px)" srcset="https://res.cloudinary.com/dckxllbjy/image/upload/v1734263974/exam_images/usuwimy6ptafvbajscas.webp"><img src="https://res.c... | mcq | jee-main-2021-online-26th-august-morning-shift | 209 |
1ktn03hi6 | chemistry | aldehydes-ketones-and-carboxylic-acids | chemical-reactions-for-aldehydes-and-ketones | Experimentally reducing a functional group cannot be done by which one of the following reagents? | [{"identifier": "A", "content": "Pt-C/H<sub>2</sub>"}, {"identifier": "B", "content": "Na/H<sub>2</sub>"}, {"identifier": "C", "content": "Pd-C/H<sub>2</sub>"}, {"identifier": "D", "content": "Zn/H<sub>2</sub>O"}] | ["B"] | null | Na in presence of H<sub>2</sub>, will not release electron
which are required for reduction.
<br><br>H<sub>2</sub> gas also not get adsorbed on Na. Hence
Na/H<sub>2</sub> cannot be used as a reducing agent. | mcq | jee-main-2021-online-1st-september-evening-shift | 212 |
1ktn1d14v | chemistry | aldehydes-ketones-and-carboxylic-acids | chemical-reactions-for-aldehydes-and-ketones | Given below are two statements :<br/><br/>Statement I : The nucleophilic addition of sodium hydrogen sulphite to an aldehyde or a ketone involves proton transfer to form a stable ion.<br/><br/>Statement II : The nucleophilic addition of hydrogen cyanide to an aldehyde or a ketone yields amine as final product.<br/><br/... | [{"identifier": "A", "content": "Both Statement I and Statement are true."}, {"identifier": "B", "content": "Statement I is true but Statement II is false."}, {"identifier": "C", "content": "Statement I is false but Statement II is true."}, {"identifier": "D", "content": "Both Statement I and Statement II are false."}... | ["B"] | null | Statement I : Correct<br><br><img src="https://app-content.cdn.examgoal.net/fly/@width/image/1kwop8pxa/7298daf6-0626-4bfe-9ad3-8065a89148f0/46c195e0-534a-11ec-9cbb-695a838b20fb/file-1kwop8pxb.png?format=png" data-orsrc="https://app-content.cdn.examgoal.net/image/1kwop8pxa/7298daf6-0626-4bfe-9ad3-8065a89148f0/46c195e0-5... | mcq | jee-main-2021-online-1st-september-evening-shift | 213 |
1l54zfr05 | chemistry | aldehydes-ketones-and-carboxylic-acids | chemical-reactions-for-aldehydes-and-ketones | <p>In the given reaction,</p>
<p> <img src="data:image/png;base64,UklGRoAJAABXRUJQVlA4IHQJAAAwhwCdASoAA1sBP4HA2GY2MCynITJ5OsAwCWlu/CHYputQ3P1/tK7ObtbxLULhX/0KC//Zg9/hr53uWLrTVCyTjvp+bSj5tXOtEp7z7R82rnWiU959o+Q8F1W+WxpltLztEcCJLrCo+sKj6wqPrCo+sKj6wqPrCphnaPchWMsxD0mDX5tXOtEp7z7R82rnWiU959o+bR+lqAjyNkusKj6wqPrCo+sKj6wqPr... | [] | null | 4 | <img src="https://app-content.cdn.examgoal.net/fly/@width/image/1l97xgocg/80c0155e-337c-49fa-a504-11891fe6c83f/e9edc400-4b6f-11ed-9399-cda4ba1d6994/file-1l97xgoch.png?format=png" data-orsrc="https://app-content.cdn.examgoal.net/image/1l97xgocg/80c0155e-337c-49fa-a504-11891fe6c83f/e9edc400-4b6f-11ed-9399-cda4ba1d6994/fi... | integer | jee-main-2022-online-29th-june-evening-shift | 214 |
1l55nirp9 | chemistry | aldehydes-ketones-and-carboxylic-acids | chemical-reactions-for-aldehydes-and-ketones | <p>Isobutyraldehyde on reaction with formaldehyde and K<sub>2</sub>CO<sub>3</sub> gives compound 'A'. Compound 'A' reacts with KCN and yields compound 'B', which on hydrolysis gives a stable compound 'C'. The compound 'C' is</p> | [{"identifier": "A", "content": "<img src=\"https://app-content.cdn.examgoal.net/fly/@width/image/1l57fchv5/d3f606fb-e633-46b1-bc40-cb2cf0f7564d/33d87e10-fbf8-11ec-8809-2597d7db4f52/file-1l57fchv6.png?format=png\" data-orsrc=\"https://app-content.cdn.examgoal.net/image/1l57fchv5/d3f606fb-e633-46b1-bc40-cb2cf0f7564d/33d... | ["C"] | null | <img src="https://app-content.cdn.examgoal.net/fly/@width/image/1l99vg62a/2a7ec974-0d98-44f8-9402-aff4fc906dd0/9ad8b920-4c81-11ed-aba3-e33a2f44b599/file-1l99vg62b.png?format=png" data-orsrc="https://app-content.cdn.examgoal.net/image/1l99vg62a/2a7ec974-0d98-44f8-9402-aff4fc906dd0/9ad8b920-4c81-11ed-aba3-e33a2f44b599/fi... | mcq | jee-main-2022-online-28th-june-evening-shift | 215 |
1l56b3ksf | chemistry | aldehydes-ketones-and-carboxylic-acids | chemical-reactions-for-aldehydes-and-ketones | <p>The correct structure of product 'A' formed in the following reaction.</p>
<p> <img src="data:image/png;base64,UklGRrIPAABXRUJQVlA4IKYPAACwUwCdASoAA18APm02mEekIyKhJZOKIIANiWlu4XEeAGv6B4TwPi3+b9rP+o8RfJD8G9xOTt1V+vHqp/Lvtn+s/uP7pfGb9474/kR/deoR7A/0e9PgB/Mv65+t/juanfg/2AP1k9Jf+T4hPpXsB/zr/Sehz/3+ZL659hPpaEpPFDxLqZeJBw... | [{"identifier": "A", "content": "<img src=\"https://app-content.cdn.examgoal.net/fly/@width/image/1l577d8ta/0df9cbdd-dfca-479c-8ab8-48c8bec7b975/ffa11fe0-fbd8-11ec-a656-a1c0c7b2ee13/file-1l577d8tb.png?format=png\" data-orsrc=\"https://app-content.cdn.examgoal.net/image/1l577d8ta/0df9cbdd-dfca-479c-8ab8-48c8bec7b975/ffa... | ["A"] | null | <img src="https://app-content.cdn.examgoal.net/fly/@width/image/1l9a4036k/83addf21-2f0a-4e15-b150-c56c70ce5e86/0dd66cd0-4ca3-11ed-82b6-03e6b6b0aa20/file-1l9a4036l.png?format=png" data-orsrc="https://app-content.cdn.examgoal.net/image/1l9a4036k/83addf21-2f0a-4e15-b150-c56c70ce5e86/0dd66cd0-4ca3-11ed-82b6-03e6b6b0aa20/fi... | mcq | jee-main-2022-online-28th-june-morning-shift | 216 |
1l5w73iym | chemistry | aldehydes-ketones-and-carboxylic-acids | chemical-reactions-for-aldehydes-and-ketones | <p>A hydrocarbon 'X' is found to have molar mass of 80. A 10.0 mg of compound 'X' on hydrogenation consumed 8.40 mL of H<sub>2</sub> gas (measured at STP). Ozonolysis of compound 'X' yields only formaldehyde and dialdehyde. The total number of fragments/molecules produced from the ozonolysis of compound 'X' is ________... | [] | null | 4 | Moles of $\mathrm{X}=\frac{10 \mathrm{mg}}{80}=0.125 \mathrm{~m} \mathrm{~mol}$.<br><br> moles consumed of $\mathrm{H}_{2}=\frac{8.4}{22.4} 0.375 \mathrm{~m} \mathrm{~mol}$. <br><br>$\frac{\mathrm{n}_{\mathrm{H}_{2}}}{\mathrm{n}_{\mathrm{X}}}=\frac{0.375}{0.125}=3$
<br><br>
So, the compound $\mathrm{X}$ have 3 double b... | integer | jee-main-2022-online-30th-june-morning-shift | 218 |
1l6e2jko0 | chemistry | aldehydes-ketones-and-carboxylic-acids | chemical-reactions-for-aldehydes-and-ketones | <p>In the given reaction</p>
<p><img src="data:image/png;base64,UklGRgwNAABXRUJQVlA4IAANAAAQvACdASoAA90BP4HA3GW2MS2nIbLY8sAwCWlu/FNYS5tHZ1+/r5aH2aXcnuzb5xv/zwKefr52YTjdWo8P6UbmEfpH69Cf9oEjqTkFTm13AepioKnNruA9TFQKq/ifq7ssy9sJ2z0iox6Kq+lzLs+FDR+cdqCTa0aPzjtQSbWjR+cdqCTa1iCJZ0qwOCA2aCgeWbj0DoDu2cgk2tGkFiHagk2tGj847UEm1o0f... | [] | null | 2 | <p><img src="https://app-content.cdn.examgoal.net/fly/@width/image/1lc5o4id8/7a7bb23e-484c-447d-8e02-794c1ceeb10c/7a46c3c0-8596-11ed-a4e1-239777dab634/file-1lc5o4id9.png?format=png" data-orsrc="https://app-content.cdn.examgoal.net/image/1lc5o4id8/7a7bb23e-484c-447d-8e02-794c1ceeb10c/7a46c3c0-8596-11ed-a4e1-239777dab634... | integer | jee-main-2022-online-25th-july-morning-shift | 219 |
1l6f73tkh | chemistry | aldehydes-ketones-and-carboxylic-acids | chemical-reactions-for-aldehydes-and-ketones | <p>What is the major product of the following reaction?</p>
<p><img src="data:image/png;base64,UklGRmgIAABXRUJQVlA4IFwIAABwjwCdASoAA4kBP4HA22W2MT+nIVYJA/AwCWlu4Wrk6mNwvV6g9KFQ7Bj9BHabivoQCv/orVffX6Owc7wi6kL0KFuNMOGnIaYOd4ZfIKnNrt6Obhl8gVFlaQfnz/RzcMvkFTm129HNwy+QVObXYxJucdfdOytIQXFlaQguLK0hBcWVpCC4srSFuA7SEFXeKk3OO0hBc... | [{"identifier": "A", "content": "<img src=\"https://app-content.cdn.examgoal.net/fly/@width/image/1l6gk5qcn/db066e67-6905-4d74-bb07-cf03a5475eb7/4a9b3b70-14ca-11ed-9a57-873b3ac09d5c/file-1l6gk5qco.png?format=png\" data-orsrc=\"https://app-content.cdn.examgoal.net/image/1l6gk5qcn/db066e67-6905-4d74-bb07-cf03a5475eb7/4a9... | ["B"] | null | <img src="https://app-content.cdn.examgoal.net/fly/@width/image/1lc8ks726/70306df9-497d-4010-9668-edfe1ba2e8ea/c2649de0-872f-11ed-806b-d74011098e63/file-1lc8ks727.png?format=png" data-orsrc="https://app-content.cdn.examgoal.net/image/1lc8ks726/70306df9-497d-4010-9668-edfe1ba2e8ea/c2649de0-872f-11ed-806b-d74011098e63/fi... | mcq | jee-main-2022-online-25th-july-evening-shift | 220 |
1l6p7ew5x | chemistry | aldehydes-ketones-and-carboxylic-acids | chemical-reactions-for-aldehydes-and-ketones | <p><img src="data:image/png;base64,UklGRpQJAABXRUJQVlA4IIgJAABwkQCdASoAA4EBP4HA2WY2LyynIXFI2sAwCWlu/Eb4LkpHZ1+/qVag2bfbTM7CEd0n//BP0jWtgXbs0JHahPg0Ul/+/AwCIeWJASAkBICQEgJASAkBICQEgIzrkM0XOkzfNSRd7an19DYI6A3wb4N8G+DfBvg3wb4N8G+DfBvg3w0X+YARK45McmOTHJjkxyY5McmOTHJjkxyY5Mq/LhVfEgJASAkBICQEgJASAkBICQEgIzrla5t+DfBvg3wb4N8G+... | [{"identifier": "A", "content": "<img src=\"https://app-content.cdn.examgoal.net/fly/@width/image/1l6tahnip/97aa3c5f-0dd7-4a9a-b9f0-0f4ed4314359/ab47b320-1bca-11ed-bd9f-71db3a4811b2/file-1l6tahniq.png?format=png\" data-orsrc=\"https://app-content.cdn.examgoal.net/image/1l6tahnip/97aa3c5f-0dd7-4a9a-b9f0-0f4ed4314359/ab4... | ["D"] | null | <img src="https://app-content.cdn.examgoal.net/fly/@width/image/1l7w03d01/546cf082-3f3d-47cb-9ec7-f0413cd7bb3f/93dca010-3114-11ed-aea7-cb6fb344ee54/file-1l7w03d02.png?format=png" data-orsrc="https://app-content.cdn.examgoal.net/image/1l7w03d01/546cf082-3f3d-47cb-9ec7-f0413cd7bb3f/93dca010-3114-11ed-aea7-cb6fb344ee54/fi... | mcq | jee-main-2022-online-29th-july-morning-shift | 221 |
1ldo2y9tu | chemistry | aldehydes-ketones-and-carboxylic-acids | chemical-reactions-for-aldehydes-and-ketones | <p>The structures of major products A, B and C in the following reaction are sequence.</p>
<p><img src="data:image/png;base64,UklGRuoJAABXRUJQVlA4IN4JAABQbgCdASoAA9gAP4G+2GS2MCynItI5osAwCWlu/CoX11snZ19fr7ajx2pxenp57MmF5+Y/IqGIPAjPRi/FhoX8lxDRWv4xB4EaYe3QI0w9ugRph5fVAh3szbUy0ndu0dfIbKtPVAh3s1QId7NUCHezVAh3s1QIgsFaeqBDmy... | [{"identifier": "A", "content": "<img src=\"https://app-content.cdn.examgoal.net/fly/@width/image/1ldobmwbk/9069a5f4-85b5-4057-a7e9-9929814b098c/bea8a200-a3a4-11ed-ba58-bbbbd3e496d9/file-1ldobmwbl.png?format=png\" data-orsrc=\"https://app-content.cdn.examgoal.net/image/1ldobmwbk/9069a5f4-85b5-4057-a7e9-9929814b098c/bea... | ["A"] | null | <img src="https://app-content.cdn.examgoal.net/fly/@width/image/1ldx5yku1/76cd7c26-9c8f-48e4-a6e5-62cac72e14a8/9a909e90-a881-11ed-99b3-79cb23978059/file-1ldx5yku2.png?format=png" data-orsrc="https://app-content.cdn.examgoal.net/image/1ldx5yku1/76cd7c26-9c8f-48e4-a6e5-62cac72e14a8/9a909e90-a881-11ed-99b3-79cb23978059/fi... | mcq | jee-main-2023-online-1st-february-evening-shift | 223 |
1ldpo4mnj | chemistry | aldehydes-ketones-and-carboxylic-acids | chemical-reactions-for-aldehydes-and-ketones | <p>Consider the following reaction</p>
<p><img src="data:image/png;base64,UklGRiYcAABXRUJQVlA4IBocAADQjQCdASoAA84APm02l0ikIqIhIvNpwIANiWlu/F+5q+tQy/1M/tfa7/m/7p42+Jz1T7a/3/2ssa/o39h/3PRT+Vfbb9V/dvat+2f6r+3+NfyR/uPUI/L/53/qv7d+PvDHbh5gvsf9R/7n918aD/h/xfqR+gf5X2AP5t/fPSzvffS/YH/Rnq2f2P/v/3PoA/SP9j7CP7BdbP0pRsSG0qGQgJUOtl... | [{"identifier": "A", "content": "racemic mixture and is neutral"}, {"identifier": "B", "content": "optically active and adds one mole of bromine"}, {"identifier": "C", "content": "racemic mixture and gives a gas with saturated $$\\mathrm{NaHCO}_{3}$$ solution"}, {"identifier": "D", "content": "optically active alcohol ... | ["C"] | null | <img src="https://app-content.cdn.examgoal.net/fly/@width/image/1leh8dngm/fe66331e-9631-4464-9ae1-6664e719c40b/bcfa6a60-b38a-11ed-9190-ad1236f30af9/file-1leh8dngn.png?format=png" data-orsrc="https://app-content.cdn.examgoal.net/image/1leh8dngm/fe66331e-9631-4464-9ae1-6664e719c40b/bcfa6a60-b38a-11ed-9190-ad1236f30af9/fi... | mcq | jee-main-2023-online-31st-january-morning-shift | 224 |
1ldsdc5mz | chemistry | aldehydes-ketones-and-carboxylic-acids | chemical-reactions-for-aldehydes-and-ketones | <p>Find out the major products from the following reaction sequence.</p>
<p><img src="data:image/png;base64,UklGRrAVAABXRUJQVlA4IKQVAADwdwCdASoAA9AAPm02mEikIqKhI7OpOIANiWlu+F6oxmABnZ1zfqx/ce1f+2eH/ic8/+6nrQZO+yrUy+X/Zj8t/d/QD/VeCvzB1BfyT+f/5b7fOG63L/XegL7DfWP+H/ffyO9M3/V9B/rz/0vcA76zwTPIf2W+AX+lf5z1af7/xy/Vv/p/0vwHf0H+... | [{"identifier": "A", "content": "<img src=\"https://app-content.cdn.examgoal.net/fly/@width/image/1ldsoqiue/9ea932ef-0a7a-49c0-b5cb-25596d45caf2/1cc2e860-a60b-11ed-a0ed-57f9f4967d00/file-1ldsoqiuf.png?format=png\" data-orsrc=\"https://app-content.cdn.examgoal.net/image/1ldsoqiue/9ea932ef-0a7a-49c0-b5cb-25596d45caf2/1cc... | ["B"] | null | <p><img src="https://app-content.cdn.examgoal.net/fly/@width/image/1let5w3ab/1eb77b2f-2797-4e9a-87a5-bd732975a2c4/6a2c0820-ba1a-11ed-9d3e-9b2574bea9df/file-1let5w3ac.png?format=png" data-orsrc="https://app-content.cdn.examgoal.net/image/1let5w3ab/1eb77b2f-2797-4e9a-87a5-bd732975a2c4/6a2c0820-ba1a-11ed-9d3e-9b2574bea9df... | mcq | jee-main-2023-online-29th-january-evening-shift | 225 |
1ldu3yg5r | chemistry | aldehydes-ketones-and-carboxylic-acids | chemical-reactions-for-aldehydes-and-ketones | <p>Number of compounds giving (i) red colouration with ceric ammonium nitrate and also (ii) positive iodoform test from the following is ___________</p>
<p><img src="data:image/png;base64,UklGRowPAABXRUJQVlA4IIAPAADw1gCdASoAA2sCP4G+2Wa2LyynoLJJCsAwCWlu/HyZFo3HZ1+/rL/xv71+f+T44N/je1unW7M/hL7/6W+AD7/+lhLH632N/5D4UbaZGW0Q... | [] | null | 3 | <p>The compounds which give red colour with ceric
ammonium nitrate and also give positive iodoform
test are</p>
<p><img src="https://app-content.cdn.examgoal.net/fly/@width/image/1leduyj4u/2278396c-6489-46a8-9869-a47d5ece61b4/e7df07e0-b1af-11ed-b7fa-bfeb56271a67/file-1leduyj4v.png?format=png" data-orsrc="https://app-co... | integer | jee-main-2023-online-25th-january-evening-shift | 227 |
1ldyfyjf3 | chemistry | aldehydes-ketones-and-carboxylic-acids | chemical-reactions-for-aldehydes-and-ketones | <p>'R' formed in the following sequence of reactions is :</p>
<p><img src="data:image/png;base64,UklGRrwJAABXRUJQVlA4ILAJAAAwcQCdASoAAwMBP4G82GW2LqynIpHI8sAwCWlu4W0RG/Pt86f6a2Djej5Xc8hftv6S19xZ3yil7izvlFL3FnfKKXuLO+UUva7q/vKr+8qNODFlwO5zfAi9aUm1pSbWlJtaUm1pSbWlJtaye8qv7yq/uXwZqeQ/drZ/2EEtPvKr+8qv7yq/vKr+8qwXKn3pV/eVXKn... | [{"identifier": "A", "content": "<img src=\"https://app-content.cdn.examgoal.net/fly/@width/image/1le04d2on/00f8af91-706b-4e4c-9b24-ad1debed3ea1/b55f2e70-aa21-11ed-941f-c1fe7282a96c/file-1le04d2oo.png?format=png\" data-orsrc=\"https://app-content.cdn.examgoal.net/image/1le04d2on/00f8af91-706b-4e4c-9b24-ad1debed3ea1/b55... | ["C"] | null | <img src="https://app-content.cdn.examgoal.net/fly/@width/image/1le1mxzi4/97e97360-8fbe-4203-952c-91ace3513fb6/27e18ad0-aaf7-11ed-b086-b1e8db5b8b70/file-1le1mxzi5.png?format=png" data-orsrc="https://app-content.cdn.examgoal.net/image/1le1mxzi4/97e97360-8fbe-4203-952c-91ace3513fb6/27e18ad0-aaf7-11ed-b086-b1e8db5b8b70/fi... | mcq | jee-main-2023-online-24th-january-morning-shift | 228 |
1ldyg464l | chemistry | aldehydes-ketones-and-carboxylic-acids | chemical-reactions-for-aldehydes-and-ketones | <p>Compound (X) undergoes following sequence of reactions to give the Lactone (Y).</p>
<p><img src="data:image/png;base64,UklGRk4LAABXRUJQVlA4IEILAACweQCdASoAA/EAP4G612Y2LaqnIhC5OsAwCWlu4W8hG/Pt852htnJ2s/t3fd9TJ+ir153Rftj6h9IKe2YA7p+3+gp7ZgDun7f6CntmAO6ceUkqt41XtF5SSq3jVe0XlJKpANPXe7+jSfyq3jVe0Z1Gq9ovKSVW8ar2i8pJVbxkGH... | [{"identifier": "A", "content": "<img src=\"https://app-content.cdn.examgoal.net/fly/@width/image/1le04k9bv/f9273272-ba8e-4972-b7ba-85500d762627/7d2b67c0-aa22-11ed-941f-c1fe7282a96c/file-1le04k9bw.png?format=png\" data-orsrc=\"https://app-content.cdn.examgoal.net/image/1le04k9bv/f9273272-ba8e-4972-b7ba-85500d762627/7d2... | ["A"] | null | <img src="https://app-content.cdn.examgoal.net/fly/@width/image/1le1wwj6y/55764104-33e9-4e94-b511-cc2226f4f1aa/1ac378a0-ab1e-11ed-9be6-c1b6f13f48ff/file-1le1wwj6z.png?format=png" data-orsrc="https://app-content.cdn.examgoal.net/image/1le1wwj6y/55764104-33e9-4e94-b511-cc2226f4f1aa/1ac378a0-ab1e-11ed-9be6-c1b6f13f48ff/fi... | mcq | jee-main-2023-online-24th-january-morning-shift | 229 |
1lgrl39go | chemistry | aldehydes-ketones-and-carboxylic-acids | chemical-reactions-for-aldehydes-and-ketones | <p>In the following reaction</p>
<p><img src="data:image/png;base64,UklGRv4RAABXRUJQVlA4IPIRAACwZACdASoAA6UAPm02mEikIyKhI9UZUIANiWlu4XPxG/OH8sf3btU/y35X+iPhy9Te5XIc6r80P4/9s/1X9788v1t8X+AL+Vfy//aeJDsbQAfnP9p/5HGn4gH8187++S9X9gL9M+iR/3+Wj6n9hH9eP+563f/////v2/d32hBnbqOIK5u3j+4tajcv/9JCkJLQtlVYoWyqsULZVWKFsqrFAr0jDZB0R177... | [{"identifier": "A", "content": "<img src=\"https://app-content.cdn.examgoal.net/fly/@width/image/1lgsdpl87/33e5a6c0-ce46-40fe-a331-9970ba77a413/a4826c70-e144-11ed-a8e4-b7bc072b4abb/file-1lgsdpl88.png?format=png\" data-orsrc=\"https://app-content.cdn.examgoal.net/image/1lgsdpl87/33e5a6c0-ce46-40fe-a331-9970ba77a413/a48... | ["D"] | null | <img src="https://app-content.cdn.examgoal.net/fly/@width/image/1lh1qwsyi/a1a962cc-2184-4608-bcbc-dcfe03a34097/51ab3fa0-e66b-11ed-b7c9-957e12d0338a/file-1lh1qwsyj.png?format=png" data-orsrc="https://app-content.cdn.examgoal.net/image/1lh1qwsyi/a1a962cc-2184-4608-bcbc-dcfe03a34097/51ab3fa0-e66b-11ed-b7c9-957e12d0338a/fi... | mcq | jee-main-2023-online-12th-april-morning-shift | 231 |
1lgrll0qx | chemistry | aldehydes-ketones-and-carboxylic-acids | chemical-reactions-for-aldehydes-and-ketones | <p><img src="data:image/png;base64,UklGRr4OAABXRUJQVlA4ILIOAADwkwCdASoAAxMBP4G+12S2MCwnInQZ0sAwCWlu/EsYw+tQ2v1c84HlehSo/+vDth/hPCV/7W73b084Se6uDni//vv+hUdKgIAnAicneMKUgOshxWfzi6kPJ7vU6/B1rOzEfkP24oZcgctr3vS0XNaPOnnRcA6IO3aFeiVkh0BFQRAgdxgCJFFKq0dl+EtpGxH6LpRbR5ZoAzTqOkhDV8qiJfG6s3Mbde4MXvO7bHJ1xr1S9tV3ODFI2ux9ua7XIWtz/... | [] | null | 15 | <img src="https://app-content.cdn.examgoal.net/fly/@width/image/1lh1q6jx2/a78e9235-bcbf-4abc-832f-1417908c449b/77a5df60-e668-11ed-b7c9-957e12d0338a/file-1lh1q6jx3.png?format=png" data-orsrc="https://app-content.cdn.examgoal.net/image/1lh1q6jx2/a78e9235-bcbf-4abc-832f-1417908c449b/77a5df60-e668-11ed-b7c9-957e12d0338a/fi... | integer | jee-main-2023-online-12th-april-morning-shift | 232 |
lsbmv400 | chemistry | aldehydes-ketones-and-carboxylic-acids | chemical-reactions-for-aldehydes-and-ketones | Match <b>List - I</b> with <b>List - II</b>.
<br/><br/><style>
table {
border-collapse: collapse;
width: 100%;
}
th, td {
border: 1px solid black;
padding: 8px;
text-align: left;
font-family: "Courier New", monospace; /* ensures chemical formulas are evenly spaced */
}
th {
backgro... | [{"identifier": "A", "content": "(A)-(III), (B)-(IV), (C)-(II), (D)-(I)"}, {"identifier": "B", "content": "(A)-(IV), (B)-(II), (C)-(III), (D)-(I)"}, {"identifier": "C", "content": "(A)-(IV), (B)-(II), (C)-(I), (D)-(III)"}, {"identifier": "D", "content": "(A)-(III), (B)-(IV), (C)-(I), (D)-(II)"}] | ["C"] | null | <img src="https://app-content.cdn.examgoal.net/fly/@width/image/6y3zli1lsf826hv/5c044cb2-d69f-457e-9cce-f143fe89011b/f3fa6b30-c79a-11ee-9d3b-8791ad54b50e/file-6y3zli1lsf826hw.png?format=png" data-orsrc="https://app-content.cdn.examgoal.net/image/6y3zli1lsf826hv/5c044cb2-d69f-457e-9cce-f143fe89011b/f3fa6b30-c79a-11ee-9d... | mcq | jee-main-2024-online-1st-february-morning-shift | 233 |
jaoe38c1lsc4sj34 | chemistry | aldehydes-ketones-and-carboxylic-acids | chemical-reactions-for-aldehydes-and-ketones | <p>Highest enol content will be shown by:</p> | [{"identifier": "A", "content": "<img src=\"https://app-content.cdn.examgoal.net/fly/@width/image/6y3zli1lscuwmmj/911cc9d6-458b-45b2-bc84-94dcbf7f0615/f19af5b0-c64d-11ee-9d8b-f1be86a1b2f3/file-6y3zli1lscuwmmk.png?format=png\" data-orsrc=\"https://app-content.cdn.examgoal.net/image/6y3zli1lscuwmmj/911cc9d6-458b-45b2-bc8... | ["B"] | null | <img src="https://app-content.cdn.examgoal.net/fly/@width/image/6y3zli1lscv61z5/f97ca35b-5292-4bcb-92f9-4347e7f4068d/f7becf10-c64e-11ee-9d8b-f1be86a1b2f3/file-6y3zli1lscv61z6.png?format=png" data-orsrc="https://app-content.cdn.examgoal.net/image/6y3zli1lscv61z5/f97ca35b-5292-4bcb-92f9-4347e7f4068d/f7becf10-c64e-11ee-9d... | mcq | jee-main-2024-online-27th-january-morning-shift | 234 |
jaoe38c1lsd9h3k8 | chemistry | aldehydes-ketones-and-carboxylic-acids | chemical-reactions-for-aldehydes-and-ketones | <p>Identify the name reaction.</p>
<p><img src="data:image/png;base64,UklGRpwWAABXRUJQVlA4IJAWAABwbwCdASoAA58APm0ylkikIqIhJLHaGIANiWlu/DZ5GutQx/1E/qX5L+Av+P/ufTAekfbD1tcY/XRqWfIPt5+p/uXt//bu9n5EagX47/Jf8l/Z/3Z/v/C8Ww9AL2e+sf8T+1eQxqZZAH5r+V54RflnsB/pX1bP7HxxfVPsF/rb/zv7b7bnr2/ev2fiObV762TrlnnfWydcs8762TrlnnfWsRzHlnLh1Y... | [{"identifier": "A", "content": "Stephen Reaction\n"}, {"identifier": "B", "content": "Etard Reaction\n"}, {"identifier": "C", "content": "Gatterman - Koch Reaction\n"}, {"identifier": "D", "content": "Rosenmund Reduction"}] | ["C"] | null | <p><img src="https://app-content.cdn.examgoal.net/fly/@width/image/6y3zli1lskmfwrg/6dc95980-79d1-44c2-926a-07591472d34a/1cd79dc0-ca93-11ee-9a3e-d72ae7e965b7/file-6y3zli1lskmfwrh.png?format=png" data-orsrc="https://app-content.cdn.examgoal.net/image/6y3zli1lskmfwrg/6dc95980-79d1-44c2-926a-07591472d34a/1cd79dc0-ca93-11ee... | mcq | jee-main-2024-online-31st-january-evening-shift | 235 |
jaoe38c1lse8cgh2 | chemistry | aldehydes-ketones-and-carboxylic-acids | chemical-reactions-for-aldehydes-and-ketones | <p>The product of the following reaction is P.</p>
<p><img src="data:image/png;base64,UklGRjAPAABXRUJQVlA4ICQPAAAQzQCdASoAA/EBP4HA2mW2L60nIdEJQsAwCWlu4W/RG/Pt9E4wfizqBZ6e035ifdHrR7tNuf0W6eP4p/M//vf9h39hF4NehrM7AW5ULVEookcXaAHqrhxpDbq2U7NNTmZewHc47nHc47nHc47nHc47kRqeZ5nagGvTo8sRZZo4TfILgsjI1w2dhVfKEcSzlJcsanmg8opaNTzQeU... | [] | null | 0 | <p>Product benzene has zero hydroxyl group</p>
<p><img src="https://app-content.cdn.examgoal.net/fly/@width/image/6y3zli1lsofrnwi/14d92ab9-e374-449b-8497-baa11d92cbcf/2666da20-ccac-11ee-aa98-13f456b8f7af/file-6y3zli1lsofrnwj.png?format=png" data-orsrc="https://app-content.cdn.examgoal.net/image/6y3zli1lsofrnwi/14d92ab9... | integer | jee-main-2024-online-31st-january-morning-shift | 236 |
1lsg7wptd | chemistry | aldehydes-ketones-and-carboxylic-acids | chemical-reactions-for-aldehydes-and-ketones | <p>m-chlorobenzaldehyde on treatment with 50% KOH solution yields :</p> | [{"identifier": "A", "content": "<img src=\"https://app-content.cdn.examgoal.net/fly/@width/image/6y3zli1lshjtn72/1b7684b6-6615-4d50-b05a-6e15f7d41694/8571dce0-c8e2-11ee-8501-bb04786aa212/file-6y3zli1lshjtn73.png?format=png\" data-orsrc=\"https://app-content.cdn.examgoal.net/image/6y3zli1lshjtn72/1b7684b6-6615-4d50-b05... | ["A"] | null | <p>Meta-chlorobenzaldehyde will undergo</p>
<p>Cannizzaro reaction with $$50 \% \mathrm{~KOH}$$ to give $$\mathrm{m}-$$ chlorobenzoate ion and m-chlorobenzyl alcohol.</p>
<p><img src="https://app-content.cdn.examgoal.net/fly/@width/image/6y3zli1lsxpcc8s/3799c985-27e3-466c-b13e-821feb9cdad2/a56503c0-d1c4-11ee-aa03-43ce1... | mcq | jee-main-2024-online-30th-january-evening-shift | 237 |
1lsgyjecm | chemistry | aldehydes-ketones-and-carboxylic-acids | chemical-reactions-for-aldehydes-and-ketones | <p>Structure of 4-Methylpent-2-enal is :</p> | [{"identifier": "A", "content": "<img src=\"https://app-content.cdn.examgoal.net/fly/@width/image/6y3zli1lshg75o6/13e3066f-9079-443a-b082-93100c854f49/58b80160-c8d4-11ee-adc8-974b9031006b/file-6y3zli1lshg75o7.png?format=png\" data-orsrc=\"https://app-content.cdn.examgoal.net/image/6y3zli1lshg75o6/13e3066f-9079-443a-b08... | ["C"] | null | <img src="https://app-content.cdn.examgoal.net/fly/@width/image/6y3zli1lsqnzsn3/61431585-4671-47d1-8533-6ca91216d88a/e2de04f0-cde5-11ee-a0d3-7b75c4537559/file-6y3zli1lsqnzsn4.png?format=png" data-orsrc="https://app-content.cdn.examgoal.net/image/6y3zli1lsqnzsn3/61431585-4671-47d1-8533-6ca91216d88a/e2de04f0-cde5-11ee-a0... | mcq | jee-main-2024-online-30th-january-morning-shift | 238 |
luxwerpm | chemistry | aldehydes-ketones-and-carboxylic-acids | chemical-reactions-for-aldehydes-and-ketones | <p><img src="data:image/png;base64,UklGRsoUAABXRUJQVlA4IL4UAABQcgCdASoAA9AAPm02mEikIqKhIxH5YIANiWlu4XSOJRnZ1z/qv/Tu1v/Pfln10fsH3F9gbK/an/Lfu7+h/unth/df+L4R/JfUI/Jf5f/gPtf9TXZMgB/M/6h/1vD31JvEHsAcEJ6L7An9D/zXq0/3Xju+s/2q+A39cf+Z/hfbl9hPpUC+vj6IijEa5WWaGvF86Dq18v7OKg6tfL+zioOrXy/s4qDaCF1GdFw6tfL+zioOrXy/s4qDq18v7OKgF4D5U... | [{"identifier": "A", "content": "<img src=\"https://app-content.cdn.examgoal.net/fly/@width/image/1luxutfny/f7718f8b-4b70-4d71-9d6b-dd9528a4d359/7d324ae0-f972-11ee-b1e4-81275bed8311/file-1luxutfnz.png?format=png\" data-orsrc=\"https://app-content.cdn.examgoal.net/image/1luxutfny/f7718f8b-4b70-4d71-9d6b-dd9528a4d359/7d3... | ["A"] | null | <p><img src="https://app-content.cdn.examgoal.net/fly/@width/image/1lw31mgvs/efd08509-67e4-415d-a46b-04d27c455dcf/3e013cb0-1019-11ef-a7e4-553231237a76/file-1lw31mgvw.png?format=png" data-orsrc="https://app-content.cdn.examgoal.net/image/1lw31mgvs/efd08509-67e4-415d-a46b-04d27c455dcf/3e013cb0-1019-11ef-a7e4-553231237a76... | mcq | jee-main-2024-online-9th-april-evening-shift | 239 |
luz2v3zq | chemistry | aldehydes-ketones-and-carboxylic-acids | chemical-reactions-for-aldehydes-and-ketones | <p><img src="data:image/png;base64,UklGRtYIAABXRUJQVlA4IMoIAABwaQCdASoAA9IAP4HA2WU2MCynIpHJesAwCWlu4W2j0mNwur53tK7OHtZ30u5Mb59BA0ljeheXy/fOmq91kneetf/H/HtVr5fvnZSZ0XDq18v3zsobtZZmEWG5e0XhjXe78qjCRFspM6Lh1a+X752UmdFw6em+rc4epYjMoJ9I91sX752UmdFw6tfL987KTOi4bvw+fBwOWUSZgI5XmQKydWvl++dlJnRcOrXy/fOykzjBvQ0V3oTn/ePOdiGuIeTKh... | [{"identifier": "A", "content": "<img src=\"https://app-content.cdn.examgoal.net/fly/@width/image/1luyyb4kd/2229de5f-e27d-4e60-b891-50b01aae917b/ed3921c0-fa0c-11ee-a70c-2def0a1ae4d3/file-1luyyb4ke.png?format=png\" data-orsrc=\"https://app-content.cdn.examgoal.net/image/1luyyb4kd/2229de5f-e27d-4e60-b891-50b01aae917b/ed3... | ["A"] | null | <p><img src="https://app-content.cdn.examgoal.net/fly/@width/image/jaoe38c1lw3uzupm/39d9d6a3-d5d8-4116-a8e4-1e7c7f46707b/1af319a0-108c-11ef-847b-13e3383dad9a/file-jaoe38c1lw3uzupn.png?format=png" data-orsrc="https://app-content.cdn.examgoal.net/image/jaoe38c1lw3uzupm/39d9d6a3-d5d8-4116-a8e4-1e7c7f46707b/1af319a0-108c-1... | mcq | jee-main-2024-online-9th-april-morning-shift | 241 |
lv0vy3rc | chemistry | aldehydes-ketones-and-carboxylic-acids | chemical-reactions-for-aldehydes-and-ketones | <p>Given below are two statements :</p>
<p>Statements I : Acidity of $$\alpha$$-hydrogens of aldehydes and ketones is responsible for Aldol reaction.</p>
<p>Statement II : Reaction between benzaldehyde and ethanal will NOT give Cross - Aldol product.</p>
<p>In the light of the above statements, choose the most appropri... | [{"identifier": "A", "content": "Both Statement I and Statement II are incorrect\n"}, {"identifier": "B", "content": "Statement I is correct but Statement II is incorrect\n"}, {"identifier": "C", "content": "Both Statement I and Statement II are correct\n"}, {"identifier": "D", "content": "Statement I is incorrect but ... | ["B"] | null | <p>Let's analyze the given statements in detail:</p>
<p><strong>Statement I:</strong> Acidity of $$\alpha$$-hydrogens of aldehydes and ketones is responsible for Aldol reaction.</p>
<p>This statement is correct. The presence of acidic $$\alpha$$-hydrogens in aldehydes and ketones makes it possible for these compounds... | mcq | jee-main-2024-online-4th-april-morning-shift | 242 |
lv2ers6s | chemistry | aldehydes-ketones-and-carboxylic-acids | chemical-reactions-for-aldehydes-and-ketones | <p>Vanillin compound obtained from vanilla beans, has total sum of oxygen atoms and $$\pi$$ electrons is __________.</p> | [] | null | 11 | <p>To determine the total sum of oxygen atoms and $$\pi$$ electrons in vanillin, let's first consider the structure of vanillin. Vanillin is an organic compound with the chemical formula $$C_8H_8O_3$$. It consists of a benzene ring attached to a methoxy group (-OCH<sub>3</sub>), a hydroxyl group (-OH), and an aldehyde ... | integer | jee-main-2024-online-4th-april-evening-shift | 244 |
lv7v4rmj | chemistry | aldehydes-ketones-and-carboxylic-acids | chemical-reactions-for-aldehydes-and-ketones | <p>Identify 'A' in the following reaction :</p>
<p><img src="data:image/png;base64,UklGRhwTAABXRUJQVlA4IBATAAAwYwCdASoAA4YAPm00l0ikIqIhI9GZ4IANiWlu4XPxG/Np8v/3Xta/un5KeiPi/9R/s/7hevXk37NtTj5N9qvw/5qfGD+W/1Xg/3jPgC/Jv5p/lt6zth6AXtJ9Y/3X948eXUp8LewF+aPlh+Hp5z7Af6I9Wn+5/9nmA+qvYN/W//pdgv96faXHqqqqWurv2Juhzws0h2x//////////... | [{"identifier": "A", "content": "<img src=\"https://app-content.cdn.examgoal.net/fly/@width/image/1lv7pgna7/98d0c896-03b9-4a92-a559-adc362e194db/626926f0-fedd-11ee-af99-a751fb126769/file-1lv7pgna8.png?format=png\" data-orsrc=\"https://app-content.cdn.examgoal.net/image/1lv7pgna7/98d0c896-03b9-4a92-a559-adc362e194db/626... | ["D"] | null | <p>This is Wolff-Kishner reduction :</p>
<p><img src="https://app-content.cdn.examgoal.net/fly/@width/image/1lwh3q2ik/7ab0fd4f-c592-4177-b400-36282b456e2e/6d7dc7c0-17d4-11ef-a722-71ab49de2419/file-1lwh3q2il.png?format=png" data-orsrc="https://app-content.cdn.examgoal.net/image/1lwh3q2ik/7ab0fd4f-c592-4177-b400-36282b45... | mcq | jee-main-2024-online-5th-april-morning-shift | 246 |
lvb2achx | chemistry | aldehydes-ketones-and-carboxylic-acids | chemical-reactions-for-aldehydes-and-ketones | <p>Consider the given reaction, identify the major product P.</p>
<p><img src="data:image/png;base64,UklGRgIWAABXRUJQVlA4IPYVAAAwbwCdASoAA28APm0ylkckIyIhJnKrmIANiWlu4XKRG/OZ8W/2PtR/yn9s/br0N8SvqnQJyB9a2qP8e+1X6r+8+2n+h/4Hg/8kdQj8t/nn+//MbgxQBfof9n/5Phm6lPgX/me4B/NPO//o+Ez+L/4XsBfz7/B/tD7Fv/p/rvQr9W/td8Cf88/vPpyeyP0h/2A... | [{"identifier": "A", "content": "<img src=\"https://app-content.cdn.examgoal.net/fly/@width/image/1lvazxzu4/ed0068b2-b393-415c-b9b1-937a5c3689c5/ba1a5ec0-00ac-11ef-be3f-17279d79e67d/file-1lvazxzu5.png?format=png\" data-orsrc=\"https://app-content.cdn.examgoal.net/image/1lvazxzu4/ed0068b2-b393-415c-b9b1-937a5c3689c5/ba1... | ["A"] | null | <p><img src="https://app-content.cdn.examgoal.net/fly/@width/image/1lwblqp5r/eb97fa65-ebe3-464f-8362-256094971ac4/2f6966f0-14ce-11ef-ab9d-41d0386b3046/file-1lwblqp5s.png?format=png" data-orsrc="https://app-content.cdn.examgoal.net/image/1lwblqp5r/eb97fa65-ebe3-464f-8362-256094971ac4/2f6966f0-14ce-11ef-ab9d-41d0386b3046... | mcq | jee-main-2024-online-6th-april-evening-shift | 247 |
lzFvSWBY3RV0kYkv | chemistry | aldehydes-ketones-and-carboxylic-acids | method-of-preparation-for-aldehydes | Reaction of cyclohexanone with dimethylamine in the presence of catalytic amount of
an acid forms a compound if water during the reaction is continuously removed. The
compound formed is generally known as | [{"identifier": "A", "content": "a Schiff\u2019s base"}, {"identifier": "B", "content": "an enamine "}, {"identifier": "C", "content": "an imine"}, {"identifier": "D", "content": "an amine"}] | ["B"] | null | <img class="question-image" src="https://res.cloudinary.com/dckxllbjy/image/upload/v1734267433/exam_images/ilmiv8lceebadexr8ftt.webp" loading="lazy" alt="AIEEE 2005 Chemistry - Aldehydes, Ketones and Carboxylic Acids Question 215 English Explanation"> | mcq | aieee-2005 | 249 |
GOE59X09V0KkqsAX | chemistry | aldehydes-ketones-and-carboxylic-acids | method-of-preparation-for-aldehydes | In the following sequence of reactions:<br/>
<br/><img src="data:image/png;base64,UklGRkQQAABXRUJQVlA4IDgQAABQUgCdASoAA14APm0ylkkkIqIhIvCqgIANiWlu4XPxG/Nd8l/1zs7/wP5R+ev4v84/nfy59ZTGf2K6l/xv7Vfnf7J6D96vxz/xPUC/KP5//m/EH/qu1isv/n/UC9d/o//I/wf7r+cvqR+EPYA/nf9v4oT0D9jPgH/oP+l9Wj+3/9H+z8931V7CX67f9713/ZX6MBDk+lHvFq4YbdVXk+... | [{"identifier": "A", "content": "C<sub>6</sub>H<sub>5</sub>CH<sub>3</sub>"}, {"identifier": "B", "content": "C<sub>6</sub>H<sub>5</sub>CH<sub>2</sub>OH"}, {"identifier": "C", "content": "C<sub>6</sub>H<sub>5</sub>CHO"}, {"identifier": "D", "content": "C<sub>6</sub>H<sub>5</sub>COOH"}] | ["C"] | null | <img src="https://app-content.cdn.examgoal.net/fly/@width/image/1l91g0po2/20075bda-2cd5-455d-93d0-879e8c2fd6a1/fee97d20-47de-11ed-8284-6d7e98c66709/file-1l91g0po3.png?format=png" data-orsrc="https://app-content.cdn.examgoal.net/image/1l91g0po2/20075bda-2cd5-455d-93d0-879e8c2fd6a1/fee97d20-47de-11ed-8284-6d7e98c66709/fi... | mcq | jee-main-2015-offline | 250 |
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