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Ew0zFtKLlZmvWycu
chemistry
chemical-kinetics-and-nuclear-chemistry
rate-laws-and-rate-constant
The rate law for a reaction between the substances A and B is given by Rate = k[A]<sup>n</sup> [B]<sup>m</sup> On doubling the concentration of A and halving the concentration of B, the ratio of the new rate to the earlier rate of the reaction will be as
[{"identifier": "A", "content": "(m + n)"}, {"identifier": "B", "content": "(n - m) "}, {"identifier": "C", "content": "2<sup>( n - m)</sup>"}, {"identifier": "D", "content": "$${1 \\over {{2^{(m + n)}}}}$$ "}]
["C"]
null
$$Rat{e_1} = k{\left[ A \right]^n}{\left[ B \right]^m};$$ <br><br>$$Rat{e_2} = k{\left[ {2A} \right]^n}{\left[ {{\raise0.5ex\hbox{$\scriptstyle 1$} \kern-0.1em/\kern-0.15em \lower0.25ex\hbox{$\scriptstyle 2$}}B} \right]^m}$$ <br><br>$$\therefore$$ $$\,\,\,\,{{Rat{e_2}} \over {Rat{e_1}}} = {{k{{\left[ {2A} \right]}^n}{...
mcq
aieee-2003
1,234
s2ZXsTcGrJPXu1R4
chemistry
chemical-kinetics-and-nuclear-chemistry
rate-laws-and-rate-constant
The rate equation for the reaction 2A + B $$\to$$ C is found to be: rate k[A][B]. The correct statement in relation to this reaction is that the
[{"identifier": "A", "content": "unit of K must be s<sup>-1</sup>"}, {"identifier": "B", "content": "values of k is independent of the initial concentration of A and B"}, {"identifier": "C", "content": "rate of formation of C is twice the rate of disappearance of A "}, {"identifier": "D", "content": "t<sub>1/2</sub> is...
["B"]
null
The velocity constant depends on temperature only. It is independent of concentration of reactants.
mcq
aieee-2004
1,235
NXeuAeEwemgjHCld
chemistry
chemical-kinetics-and-nuclear-chemistry
rate-laws-and-rate-constant
For the non – stoichiometre reaction 2A + B $$\to$$ C + D, the following kinetic data were obtained in three separate experiments, all at 298 K. <div style="overflow-x: auto"> <style type="text/css"> .tg {border-collapse:collapse;border-spacing:0;} .tg td{font-family:Arial, sans-serif;font-size:14px;padding:10px 5px;b...
[{"identifier": "A", "content": "$${{dc} \\over {dt}} = k[A]{[B]^2}$$ "}, {"identifier": "B", "content": "$${{dc} \\over {dt}} = k[A]$$ "}, {"identifier": "C", "content": "$${{dc} \\over {dt}} = k[A]{[B]}$$"}, {"identifier": "D", "content": "$${{dc} \\over {dt}} = k[A^2]{[B]}$$ "}]
["B"]
null
Let rate of reaction $$ = {{d\left[ C \right]} \over t} = k{\left[ A \right]^x}{\left[ B \right]^y}$$ <br><br>Now from the given data <br><br>$$1.2 \times {10^{ - 3}} = k{\left[ {0.1} \right]^x}{\left[ {0.1} \right]^y}\,\,\,\,\,...\left( i \right)$$ <br><br>$$1.2 \times {10^{ - 3}} = k{\left[ {0.1} \right]^x}{\left[ {0...
mcq
jee-main-2014-offline
1,238
9ZokgutcPux9fYlMYPzm1
chemistry
chemical-kinetics-and-nuclear-chemistry
rate-laws-and-rate-constant
The rate law for the reaction below is given by the expression k [A] [B] <br/><br/>A + B $$ \to $$ Product <br/><br/>If the concentration of B is increased from 0.1 to 0.3 mole, keeping the value of A at 0.1 mole, the rate constant will be :
[{"identifier": "A", "content": "k"}, {"identifier": "B", "content": "k/3"}, {"identifier": "C", "content": "3k"}, {"identifier": "D", "content": "9k"}]
["A"]
null
Rate constant only depends on temperature only and it is independed of concentration of reactants.
mcq
jee-main-2016-online-10th-april-morning-slot
1,240
JjOycwZJFaC09V6aDBqoQ
chemistry
chemical-kinetics-and-nuclear-chemistry
rate-laws-and-rate-constant
For a reaction consider the plot of $$\ell $$n k versus 1/T given in the figure. If the rate constant of this reaction at 400 K is 10<sup>–5</sup> s<sup>–1</sup>, then the rate constant at 500 K is – <br/><br/><img src="data:image/png;base64,UklGRmoLAABXRUJQVlA4IF4LAACwhQCdASrFAqQBP4HA3mW2Mi6nIVeI2sAwCWlu4XYBG/Pt8of4b...
[{"identifier": "A", "content": "10<sup>$$-$$4</sup> s<sup>$$-$$1</sup>"}, {"identifier": "B", "content": "4 $$ \\times $$ 10<sup>$$-$$4</sup> s<sup>$$-$$1</sup>"}, {"identifier": "C", "content": "10<sup>$$-$$6</sup> s<sup>$$-$$1</sup>"}, {"identifier": "D", "content": "2 $$ \\times $$ 10<sup>$$-$$4</sup> s<sup>$$-$$1<...
["A"]
null
From Arhenius equation, <br><br>K = Ae$$^{ - {{Ea} \over {RT}}}$$ <br><br>taking log both sides, <br><br>lnk = lnA $$-$$ $${{{Ea} \over {RT}}}$$ <br><br>So in lnK vs $${1 \over T}$$ graph <br><br>slope = $$-$$ $${{{Ea} \over R}}$$ <br><br>Rate constant at 400 K is = 10<sup>$$-$$5</sup> s<sup>$$-$$1</sup> <br><br>Let r...
mcq
jee-main-2019-online-12th-january-evening-slot
1,241
Sda0nfjcRYSDjjEV8p9xO
chemistry
chemical-kinetics-and-nuclear-chemistry
rate-laws-and-rate-constant
For the reaction 2A + B $$ \to $$ C, the values of initial rate at diffrent reactant concentrations are given in the table below. The rate law for the reaction is : <br/><br/><style type="text/css"> .tg {border-collapse:collapse;border-spacing:0;} .tg td{font-family:Arial, sans-serif;font-size:14px;padding:10px 5px;bo...
[{"identifier": "A", "content": "Rate = k[A][B]<sup>2</sup>"}, {"identifier": "B", "content": "Rate = k[A]<sup>2</sup>[B]<sup>2</sup>"}, {"identifier": "C", "content": "Rate = k[A]<sup>2</sup>[B]"}, {"identifier": "D", "content": "Rate = k[A][B]"}]
["A"]
null
Rate law for the reaction, <br><br>2A + B $$ \to $$ C <br><br>Rate law (R) = k[A]<sup>x</sup>[B]<sup>y</sup> <br><br>From experiment 1 : <br><br>R<sub>1</sub> = 0.045 = k[0.05]<sup>x</sup> [0.05]<sup>y</sup> ............(i) <br><br>From experiment 2 : <br><br>R<sub>2</sub> = 0.090 = k[0.1]<sup>x</sup> [0.05]<sup>y</sup...
mcq
jee-main-2019-online-8th-april-morning-slot
1,242
77MBz4uXb4bQpusHe22VA
chemistry
chemical-kinetics-and-nuclear-chemistry
rate-laws-and-rate-constant
The following results were obtained during kinetic studies of the reaction ; <br/><br/>2A + B $$ \to $$ Products <br/><br/><style type="text/css"> .tg {border-collapse:collapse;border-spacing:0;} .tg td{font-family:Arial, sans-serif;font-size:14px;padding:10px 5px;border-style:solid;border-width:1px;overflow:hidden;w...
[{"identifier": "A", "content": "5"}, {"identifier": "B", "content": "10"}, {"identifier": "C", "content": "1"}, {"identifier": "D", "content": "100"}]
["B"]
null
<p>To determine the time required to consume half of A, we must first determine the rate law for the reaction based on the provided kinetic data.</p> <p>From the data, we can write the general rate law for the reaction as:</p> <p>$$ \text{Rate} = k [A]^m [B]^n $$</p> <p>We can now use the experimental data to find t...
mcq
jee-main-2019-online-9th-january-morning-slot
1,243
1krz07z5u
chemistry
chemical-kinetics-and-nuclear-chemistry
rate-laws-and-rate-constant
For a reaction of order n, the unit of the rate constant is :
[{"identifier": "A", "content": "mol<sup>1$$-$$n</sup> L<sup>1$$-$$n</sup> s"}, {"identifier": "B", "content": "mol<sup>1$$-$$n</sup> L<sup>2n</sup> s<sup>$$-$$1</sup>"}, {"identifier": "C", "content": "mol<sup>1$$-$$n</sup> L<sup>n$$-$$1</sup> s<sup>$$-$$1</sup>"}, {"identifier": "D", "content": "mol<sup>1$$-$$n</sup>...
["C"]
null
Rate = k[A]<sup>n</sup><br><br>comparing units<br><br>$${{(mol/l)} \over {\sec }} = k{\left( {{{mol} \over l}} \right)^n}$$<br><br>$$ \Rightarrow k = mo{l^{(l - n)}}{l^{(n - 1)}}{s^{ - 1}}$$
mcq
jee-main-2021-online-27th-july-morning-shift
1,245
1ldpqcpkw
chemistry
chemical-kinetics-and-nuclear-chemistry
rate-laws-and-rate-constant
<p>A $$\to$$ B</p> <p>The rate constants of the above reaction at 200 K and 300 K are 0.03 min$$^{-1}$$ and 0.05 min$$^{-1}$$ respectively. The activation energy for the reaction is ___________ J (Nearest integer)</p> <p>(Given : $$\mathrm{ln10=2.3}$$</p> <p>$$\mathrm{R=8.3~J~K^{-1}~mol^{-1}}$$ <p>$$\mathrm{\log5=0.70}...
[]
null
2520
$$ \begin{aligned} & \log \frac{\mathrm{k}_2}{\mathrm{k}_1}=\frac{\mathrm{E}_{\mathrm{a}}}{2.3 \times 8.3}\left(\frac{1}{200}-\frac{1}{300}\right) \\\\ & \log \frac{0.05}{0.03}=\frac{E_a}{2.3 \times 8.3}\left(\frac{1}{600}\right) \\\\ & \begin{aligned} (0.70-0.48)=\frac{E_a}{2.3 \times 8.3} \times \frac{1}{600} \end{al...
integer
jee-main-2023-online-31st-january-morning-shift
1,246
1ldyho7ej
chemistry
chemical-kinetics-and-nuclear-chemistry
rate-laws-and-rate-constant
<p>The number of correct statement/s from the following is __________</p> <p>A. Larger the activation energy, smaller is the value of the rate constant.</p> <p>B. The higher is the activation energy, higher is the value of the temperature coefficient.</p> <p>C. At lower temperatures, increase in temperature causes more...
[]
null
3
(A) $k=A e^{-\frac{E_{a}}{R T}}\left(E_{a} \uparrow k \downarrow\right)$ <br><br> (B) $\ln k=\ln A-\frac{E_{a}}{R T}$ <br><br> $$ \frac{1}{\mathrm{k}} \cdot \frac{\mathrm{dk}}{\mathrm{dT}}=\frac{+\mathrm{E}_{\mathrm{a}}}{\mathrm{RT}^{2}} $$ <br><br> $\mathrm{E}_{\mathrm{a}} \uparrow$ temp. coefficient $\uparrow$<br><br...
integer
jee-main-2023-online-24th-january-morning-shift
1,247
1lgysc9q2
chemistry
chemical-kinetics-and-nuclear-chemistry
rate-laws-and-rate-constant
<p>The correct reaction profile diagram for a positive catalyst reaction.</p>
[{"identifier": "A", "content": "<img src=\"https://app-content.cdn.examgoal.net/fly/@width/image/1lgzoodm5/e9e3fe48-eb8d-4b56-97db-d30a64dd6aa9/03c949d0-e549-11ed-b775-8921c6ad38e2/file-1lgzoodm6.png?format=png\" data-orsrc=\"https://app-content.cdn.examgoal.net/image/1lgzoodm5/e9e3fe48-eb8d-4b56-97db-d30a64dd6aa9/03c...
["D"]
null
Most of the chemical reactions have energy barrier.<br/><br/> A positive catalyst in a chemical reaction increases the rate of reaction by lowering the energy barrier. It does not alter the energy of reactant as well as product.
mcq
jee-main-2023-online-8th-april-evening-shift
1,248
lv3xm5t5
chemistry
chemical-kinetics-and-nuclear-chemistry
rate-laws-and-rate-constant
<p>For a reaction $$A \xrightarrow{\mathrm{K}_1} \mathrm{~B} \xrightarrow{\mathrm{K}_2} \mathrm{C}$$ If the rate of formation of B is set to be zero then the concentration of B is given by :</p>
[{"identifier": "A", "content": "$$(\\mathrm{K}_1-\\mathrm{K}_2)[\\mathrm{A}]$$\n"}, {"identifier": "B", "content": "$$(\\mathrm{K}_1+\\mathrm{K}_2)[\\mathrm{A}]$$\n"}, {"identifier": "C", "content": "$$\\mathrm{K}_1 \\mathrm{K}_2[\\mathrm{~A}]$$\n"}, {"identifier": "D", "content": "$$(\\mathrm{K}_1 / \\mathrm{K}_2)[\\...
["D"]
null
<p>To determine the concentration of $ \mathrm{B} $ when the rate of formation of $ \mathrm{B} $ is set to zero, let's consider the reaction sequence:</p> <p>$$ \mathrm{A} \xrightarrow{\mathrm{K}_1} \mathrm{B} \xrightarrow{\mathrm{K}_2} \mathrm{C} $$</p> <p>The rate of formation of $ \mathrm{B} $ from $ \mathrm{A} $ ...
mcq
jee-main-2024-online-8th-april-evening-shift
1,249
ZwNFCsTerSdJh5af
chemistry
chemical-kinetics-and-nuclear-chemistry
rate-of-reaction
The differential rate law for the reaction H<sub>2</sub> + I<sub>2</sub> $$\to$$ 2HI is
[{"identifier": "A", "content": "$$ - {{d\\left[ {{H_2}} \\right]} \\over {dt}}$$ = $$ - {{d\\left[ {{I_2}} \\right]} \\over {dt}}$$ = $$ - {{d\\left[ {{HI}} \\right]} \\over {dt}}$$"}, {"identifier": "B", "content": "$$ {{d\\left[ {{H_2}} \\right]} \\over {dt}}$$ = $$ {{d\\left[ {{I_2}} \\right]} \\over {dt}}$$ = $$ {...
["D"]
null
rate of appearance of $$HI = {1 \over 2}{{d\left[ {HI} \right]} \over {dt}}$$ <br><br>rate of formation of $${H_2} = {{ - d\left[ {{H_2}} \right]} \over {dt}}$$ <br><br>rate of formation of $${I_2} = {{ - d\left[ {{I_2}} \right]} \over {dt}}$$ <br><br>hence $${{ - d\left[ {{H_2}} \right]} \over {dt}} = - {{ - d\left...
mcq
aieee-2002
1,251
kMSXVWGi653VzsQd
chemistry
chemical-kinetics-and-nuclear-chemistry
rate-of-reaction
For a reaction $${1 \over 2}A \to 2B$$ rate of disappearance of ‘A’ is related to the rate of appearance of ‘B’ by the expression
[{"identifier": "A", "content": "$$ - {{d[A]} \\over {dt}}$$ = $${1 \\over 2}{{d[B]} \\over {dt}}$$"}, {"identifier": "B", "content": "$$ - {{d[A]} \\over {dt}}$$ = $${1 \\over 4}{{d[B]} \\over {dt}}$$"}, {"identifier": "C", "content": "$$ - {{d[A]} \\over {dt}}$$ = $${{d[B]} \\over {dt}}$$ "}, {"identifier": "D", "con...
["B"]
null
The rates of reactions for the reaction <br><br>$${1 \over 2}A \to 2B$$ <br><br>can be written either as <br><br>$$ - 2{d \over {dt}}\left[ A \right]\,\,$$ with respect to $$'A'$$ <br><br>or $$\,\,\,\,\,$$ $${1 \over 2}{d \over {dt}}\left[ B \right]\,\,\,\,$$ with respect to $$'B'$$ <br><br>From the above, we have <...
mcq
aieee-2008
1,252
Fee6Hpm0BqiHYc6y
chemistry
chemical-kinetics-and-nuclear-chemistry
rate-of-reaction
The rate of a chemical reaction doubles for every 10<sup>o</sup>C rise of temperature. If the temperature is raised by 50<sup>o</sup>C , the rate of the reaction increases by about :
[{"identifier": "A", "content": "24 times "}, {"identifier": "B", "content": "32 times"}, {"identifier": "C", "content": "64 times"}, {"identifier": "D", "content": "10 times "}]
["B"]
null
Since for every $${10^ \circ }C$$ rise in temperature rate doubles for $${50^ \circ }C$$ rise in temp increase in reaction rate $$ = {2^5} = 32$$ times
mcq
aieee-2011
1,253
XBGUNKwE9hF2PnBg4THCA
chemistry
chemical-kinetics-and-nuclear-chemistry
rate-of-reaction
For a reaction scheme $$A\buildrel {{k_1}} \over \longrightarrow B\buildrel {{k_2}} \over \longrightarrow C$$, <br/><br/> if the rate of formation of B is set to be zero then the concentration of B is given by :
[{"identifier": "A", "content": "$${k_1}{k_2}[A]$$"}, {"identifier": "B", "content": "$$\\left( {{{{k_1}} \\over {{k_2}}}} \\right)[A]$$"}, {"identifier": "C", "content": "$$({k_1} + {k_2})[A]$$"}, {"identifier": "D", "content": "$$({k_1} - {k_2})[A]$$"}]
["B"]
null
Given, the rate of formation of B is set to be zero. <br><br>$$ \therefore $$ $${{d\left[ B \right]} \over {dt}} = 0$$ <br><br>For this reaction, <br><br>$$A\mathrel{\mathop{\kern0pt\longrightarrow} \limits_{{R_1}}^{{k_1}}} B$$ <br><br>Rate of reaction for this reaction (R<sub>1</sub>) = $${k_1}\left[ A \right]$$ <br><...
mcq
jee-main-2019-online-8th-april-evening-slot
1,255
y3VJgXGz1vuzitLKAm3rsa0w2w9jx54j4lu
chemistry
chemical-kinetics-and-nuclear-chemistry
rate-of-reaction
In the following reaction; xA $$ \to $$ yB <br/>$${\log _{10}}\left[ { - {{d\left[ A \right]} \over {dt}}} \right] = {\log _{10}}\left[ {{{d\left[ B \right]} \over {dt}}} \right] + 0.3010$$ <br/>'A' and 'B' respectively can be :
[{"identifier": "A", "content": "n-Butane and Iso-butane"}, {"identifier": "B", "content": "C<sub>2</sub>H<sub>4</sub> and C<sub>4</sub>H<sub>8</sub>"}, {"identifier": "C", "content": "C<sub>2</sub>H<sub>4</sub> and C<sub>6</sub>H<sub>6</sub>"}, {"identifier": "D", "content": "N<sub>2</sub>O<sub>4</sub> and NO<sub>2</s...
["B"]
null
xA $$ \to $$ yB <br><br>$${1 \over x}\left\{ { - {{d\left[ A \right]} \over {dt}}} \right\} = {1 \over y}\left\{ {{{d\left[ B \right]} \over {dt}}} \right\}$$ <br><br>$$ \Rightarrow $$ $$ - {{d\left[ A \right]} \over {dt}} = {x \over y}\left\{ {{{d\left[ B \right]} \over {dt}}} \right\}$$ <br><br>Taking log both sides,...
mcq
jee-main-2019-online-12th-april-morning-slot
1,256
SAPfnXOxLl6aUoklKX3rsa0w2w9jx8xfted
chemistry
chemical-kinetics-and-nuclear-chemistry
rate-of-reaction
NO<sub>2</sub> required for a reaction is produced by the decomposition of N<sub>2</sub>O<sub>5</sub> in CCl<sub>4</sub> as per the equation, <br/>2N<sub>2</sub>O<sub>5</sub>(g) $$ \to $$ 4NO<sub>2</sub>(g) + O<sub>2</sub>(g). <br/>The initial concentration of N<sub>2</sub>O<sub>5</sub> is 3.00 mol L<sup>–1</sup> and ...
[{"identifier": "A", "content": "2.083 \u00d7 10<sup>\u20133</sup>\n mol L<sup>\u20131</sup>\n min<sup>\u20131</sup>"}, {"identifier": "B", "content": "8.333 \u00d7 10<sup>\u20133</sup>\n mol L<sup>\u20131</sup>\n min<sup>\u20131</sup>"}, {"identifier": "C", "content": "4.167 \u00d7 10<sup>\u20133</sup>\n mol L<sup>\u2...
["D"]
null
Rate of disappearance of N<sub>2</sub>O<sub>5</sub> = $$ - {{\Delta \left[ {{N_2}{O_5}} \right]} \over {\Delta \left[ t \right]}}$$ = $$ - {{\left[ {2.75 - 3} \right]} \over {30}}$$ = $$ + {1 \over {120}}$$ mol L<sup>-1</sup> min<sup>-1</sup> <br><br>Rate of formation of NO<sub>2</sub> = $$ + {{\Delta \left[ {N{O_2}} ...
mcq
jee-main-2019-online-12th-april-evening-slot
1,257
LzKEZm6Pvx9ZSE16mgjgy2xukf3n9s43
chemistry
chemical-kinetics-and-nuclear-chemistry
rate-of-reaction
For the reaction<br/> 2A + 3B + $${3 \over 2}$$C $$ \to $$ 3P, which statement is correct ?
[{"identifier": "A", "content": "$${{d{n_A}} \\over {dt}} = {{d{n_B}} \\over {dt}} = {{d{n_C}} \\over {dt}}$$"}, {"identifier": "B", "content": "$${{d{n_A}} \\over {dt}} = {2 \\over 3}{{d{n_B}} \\over {dt}} = {3 \\over 4}{{d{n_C}} \\over {dt}}$$"}, {"identifier": "C", "content": "$${{d{n_A}} \\over {dt}} = {3 \\over 2}...
["D"]
null
2A + 3B + $${3 \over 2}$$C $$ \to $$ 3P <br><br>rate = $$ - {1 \over 2}{{d\left[ A \right]} \over {dt}} = - {1 \over 3}{{d\left[ B \right]} \over {dt}} = - {2 \over 3}{{d\left[ C \right]} \over {dt}} = {1 \over 3}{{d\left[ P \right]} \over {dt}}$$ <br><br>$$ \Rightarrow $$ $${{d\left[ A \right]} \over {dt}} = {2 \ove...
mcq
jee-main-2020-online-3rd-september-evening-slot
1,258
nI21ntjnbXvtJjgo6r1kmkjjxk9
chemistry
chemical-kinetics-and-nuclear-chemistry
rate-of-reaction
The reaction 2A + B<sub>2</sub> $$ \to $$ 2AB is an elementary reaction.<br/><br/>For a certain quantity of reactants, if the volume of the reaction vessel is reduced by a factor of 3, the rate of the reaction increases by a factor of ____________. (Round off to the Nearest Integer).
[]
null
27
Let initial concentration of A &amp; B is a &amp; b<br><br>Rate = $$K{[A]^2}{[{B_2}]^1}$$<br><br>$${r_1} = K{\left( {{a \over V}} \right)^2}{\left( {{b \over V}} \right)^1}$$<br><br>$${r_2} = K{\left( {{{3a} \over V}} \right)^2}{\left( {{{3b} \over V}} \right)^1}$$<br><br>$$\left( {{{{r_2}} \over {{r_1}}}} \right) = 27...
integer
jee-main-2021-online-17th-march-evening-shift
1,259
1krxc7you
chemistry
chemical-kinetics-and-nuclear-chemistry
rate-of-reaction
For a chemical reaction A $$\to$$ B, it was found that concentration of B is increased by 0.2 mol L<sup>$$-$$</sup> in 30 min. The average rate of the reaction is ____________ $$\times$$ 10<sup>$$-$$1</sup> mol L<sup>$$-$$1</sup> h<sup>$$-$$1</sup>. (in nearest integer)
[]
null
4
A $$\to$$ B<br><br>$$\matrix{ {t = 0} &amp; 0 \cr {t = 30\,\min } &amp; {0.2M} \cr } $$<br><br>Av. rate of reaction = $$ - {{\Delta [A]} \over {\Delta t}} = {{\Delta [B]} \over {\Delta t}} = {{(0.2 - 0)} \over {{1 \over 2}}}$$<br><br>$$ = 0.4 = 4 \times {10^{ - 1}}$$ mol / L $$\times$$ hr
integer
jee-main-2021-online-25th-july-evening-shift
1,260
1l5ams8lj
chemistry
chemical-kinetics-and-nuclear-chemistry
rate-of-reaction
<p>For a given chemical reaction</p> <p>$$\gamma$$<sub>1</sub>A + $$\gamma$$<sub>2</sub>B $$\to$$ $$\gamma$$<sub>3</sub>C + $$\gamma$$<sub>4</sub>D</p> <p>Concentration of C changes from 10 mmol dm<sup>$$-$$3</sup> to 20 mmol dm<sup>$$-$$3</sup> in 10 seconds. Rate of appearance of D is 1.5 times the rate of disappeara...
[]
null
1
Rate $=\frac{1}{r_{1}}\left(\frac{-d[A]}{d t}\right)=\frac{1}{r_{2}}\left(\frac{-d[B]}{d t}\right)=\frac{1}{r_{3}}\left(\frac{-d[C]}{d t}\right)$ <br/><br/> $$ =\frac{1}{r_{4}}\left(\frac{d[D]}{d t}\right) $$ <br/><br/> $\frac{\mathrm{d}[\mathrm{D}]}{\mathrm{dt}}=\frac{\mathrm{r}_{4}}{\mathrm{r}_{2}}\left(\frac{-\mathr...
integer
jee-main-2022-online-25th-june-morning-shift
1,262
1lgv0xz5u
chemistry
chemical-kinetics-and-nuclear-chemistry
rate-of-reaction
<p>$$\mathrm{KClO}_{3}+6 \mathrm{FeSO}_{4}+3 \mathrm{H}_{2} \mathrm{SO}_{4} \rightarrow \mathrm{KCl}+3 \mathrm{Fe}_{2}\left(\mathrm{SO}_{4}\right)_{3}+3 \mathrm{H}_{2} \mathrm{O}$$</p> <p>The above reaction was studied at $$300 \mathrm{~K}$$ by monitoring the concentration of $$\mathrm{FeSO}_{4}$$ in which initial conc...
[]
null
333
The Rate of Reaction (ROR) for a reaction can be calculated based on the changes in concentrations of the reactants or the products over time. In the given reaction, <br/><br/>$$\mathrm{KClO}_{3}+6 \mathrm{FeSO}_{4}+3 \mathrm{H}_{2} \mathrm{SO}_{4} \rightarrow \mathrm{KCl}+3 \mathrm{Fe}_{2}\left(\mathrm{SO}_{4}\right)...
integer
jee-main-2023-online-11th-april-morning-shift
1,263
1lsg8mpo4
chemistry
chemical-kinetics-and-nuclear-chemistry
rate-of-reaction
<p>$$\mathrm{NO}_2$$ required for a reaction is produced by decomposition of $$\mathrm{N}_2 \mathrm{O}_5$$ in $$\mathrm{CCl}_4$$ as by equation</p> <p>$$2 \mathrm{~N}_2 \mathrm{O}_{5(\mathrm{~g})} \rightarrow 4 \mathrm{NO}_{2(\mathrm{~g})}+\mathrm{O}_{2(\mathrm{~g})}$$</p> <p>The initial concentration of $$\mathrm{N}_2...
[]
null
17
<p>Rate of reaction (ROR)</p> <p>$$\begin{aligned} & =-\frac{1}{2} \frac{\Delta\left[\mathrm{N}_2 \mathrm{O}_5\right]}{\Delta \mathrm{t}}=\frac{1}{4} \frac{\left[\mathrm{NO}_2\right]}{\Delta \mathrm{t}}=\frac{\Delta\left[\mathrm{O}_2\right]}{\Delta \mathrm{t}} \\ & \mathrm{ROR}=-\frac{1}{2} \frac{\Delta\left[\mathrm{N}...
integer
jee-main-2024-online-30th-january-evening-shift
1,264
Dp6cPMJ2b4MMhzhEsW7k9k2k5eqxpt3
chemistry
chemistry-in-everyday-life
chemicals-in-foods
The number of sp<sup>2</sup> hybridised carbons present in "Aspartame" is
[]
null
9
Strcuture of Aspartame is: <br><img src="https://res.cloudinary.com/dckxllbjy/image/upload/v1734264082/exam_images/yd77d5mzs7sc6ycbzh5w.webp" style="max-width: 100%;height: auto;display: block;margin: 0 auto;" loading="lazy" alt="JEE Main 2020 (Online) 7th January Evening Slot Chemistry - Chemistry in Everyday Life Que...
integer
jee-main-2020-online-7th-january-evening-slot
1,266
Ee1fTQlxcMglJQiUDL1kmkiydfq
chemistry
chemistry-in-everyday-life
chemicals-in-foods
Match List - I with List - II.<br/><br/><table> <thead> <tr> <th></th> <th>List - I<br/>Chemical Compound</th> <th></th> <th>List - II<br/>Used as</th> </tr> </thead> <tbody> <tr> <td>(a)</td> <td>Sucralose</td> <td>(i)</td> <td>Synthetic detergent</td> </tr> <tr> <td>(b)</td> <td>Glyceryl ester of stearic acid</td> <t...
[{"identifier": "A", "content": "(a)-(i), (b)-(ii), (c)-(iv), (d)-(iii)"}, {"identifier": "B", "content": "(a)-(iii), (b)-(ii), (c)-(iv), (d)-(i)"}, {"identifier": "C", "content": "(a)-(iv), (b)-(iii), (c)-(ii), (d)-(i)"}, {"identifier": "D", "content": "(a)-(ii), (b)-(i), (c)-(iv), (d)-(iii)"}]
["D"]
null
(a) Sucralose $$ \to $$ Artificial sweetener<br><br> (b) Glyceryl ester of stearic acid $$ \to $$ Synthetic detergent<br><br> (c) Sodium benzoate $$ \to $$ Food preservative<br><br> (d) Bithionol $$ \to $$ Antiseptic
mcq
jee-main-2021-online-17th-march-evening-shift
1,268
1l56azl51
chemistry
chemistry-in-everyday-life
chemicals-in-foods
<p>Which amongst the following is not a pesticide?</p>
[{"identifier": "A", "content": "DDT"}, {"identifier": "B", "content": "Organophosphates"}, {"identifier": "C", "content": "Dieldrin"}, {"identifier": "D", "content": "Sodium arsenite"}]
["D"]
null
NaAsO<sub>2</sub> (Sodium arsenite) is an insecticide, antibacterial agent herbicide.
mcq
jee-main-2022-online-28th-june-morning-shift
1,269
1l59qouhu
chemistry
chemistry-in-everyday-life
chemicals-in-foods
<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-II, B-III, C-I, D-IV"}, {"identifier": "B", "content": "A-II, B-III, C-IV, D-I"}, {"identifier": "C", "content": "A-III, B-II, C-IV, D-I"}, {"identifier": "D", "content": "A-III, B-II, C-I, D-IV"}]
["B"]
null
Zymase naturally occurs in yeast.<br/><br/> Diastase is found in malt.<br/><br/> Urease is found in soyabean<br/><br/> Pepsin is found in stomach
mcq
jee-main-2022-online-25th-june-evening-shift
1,270
1l5amaph1
chemistry
chemistry-in-everyday-life
chemicals-in-foods
<p>Which one of the following is an example of artificial sweetner?</p>
[{"identifier": "A", "content": "Bithional"}, {"identifier": "B", "content": "Alitame"}, {"identifier": "C", "content": "Salvarsan"}, {"identifier": "D", "content": "Lactose"}]
["B"]
null
Alitame is an aspartic acid-containing sweetener. <br/><br/>$$ \mathrm{C}_{14} \mathrm{H}_{25} \mathrm{O}_4 \mathrm{N}_3 \mathrm{S}-\text { Alitame } $$ <br/><br/>First generation artificial sweeteners - Saccharin, cyclamate and aspartame <br/><br/>Second generation artificial sweeteners - Sucralose, alitame and neotam...
mcq
jee-main-2022-online-25th-june-morning-shift
1,271
1ldppif4t
chemistry
chemistry-in-everyday-life
chemicals-in-foods
<p>Which of the following artificial sweeteners has the highest sweetness value in comparison to cane sugar ?</p>
[{"identifier": "A", "content": "Alitame"}, {"identifier": "B", "content": "Sucralose"}, {"identifier": "C", "content": "Saccharin"}, {"identifier": "D", "content": "Aspartame"}]
["A"]
null
Sweetness value order wrt cane sugar <br/><br/>Alitame > Sucralose > Saccharin > Aspartame <br/><br/>Sucralose = 600 <br/><br/>Aspartame = 100 <br/><br/>Saccharin = 550 <br/><br/>Alitame = 2000
mcq
jee-main-2023-online-31st-january-morning-shift
1,272
1lh02z8a1
chemistry
chemistry-in-everyday-life
chemicals-in-foods
<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;b...
[{"identifier": "A", "content": "A-II, B-III, C-IV, D-I"}, {"identifier": "B", "content": "A-II, B-IV, C-I, D-III"}, {"identifier": "C", "content": "A-II, B-IV, C-III, D-I"}, {"identifier": "D", "content": "A-IV, B-III, C-I, D-II"}]
["B"]
null
A. Saccharin is first popular artificial sweetening agent. It is 550 times as sweet as cane sugar. It is used as intake by diabetic person.<br/><br/> B. Aspartame is 100 times as sweet as cane sugar. It is used in cold foods and soft drinks because it is unstable at cooking temperature.<br/><br/> C. Alitame is 2000 tim...
mcq
jee-main-2023-online-8th-april-morning-shift
1,273
1lh27gxfb
chemistry
chemistry-in-everyday-life
chemicals-in-foods
<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-III, B-I, C-IV, D-II"}, {"identifier": "B", "content": "A-IV, B-I, C-III, D-II"}, {"identifier": "C", "content": "A-IV, B-II, C-III, D-I"}, {"identifier": "D", "content": " A-III, B-II, C-IV, D-I"}]
["A"]
null
<p>We can match the vitamins with their deficiency diseases as follows:</p> <ul> <li>Vitamin A: Its deficiency causes Xerophthalmia, so A-III.</li><br/> <li>Thiamine (Vitamin B1): Its deficiency leads to Beri-Beri, so B-I.</li><br/> <li>Ascorbic acid (Vitamin C): Its deficiency causes Scurvy, so C-IV.</li><br/> <li>Rib...
mcq
jee-main-2023-online-6th-april-morning-shift
1,274
lvc58edm
chemistry
chemistry-in-everyday-life
chemicals-in-medicines
<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-II, B-IV, C-I, D-III\n"}, {"identifier": "B", "content": "A-III, B-I, C-IV, D-II\n"}, {"identifier": "C", "content": "A-III, B-II, C-IV, D-I\n"}, {"identifier": "D", "content": "A-I, B-II, C-III, D-IV"}]
["B"]
null
<p>The matching for each compound with its respective use is based on their known applications:</p> <ul> <li><strong>Iodoform</strong> is a compound known for its application as an <strong>antiseptic</strong>. It has been used historically in medical applications for the treatment of wounds due to its antimicrobial p...
mcq
jee-main-2024-online-6th-april-morning-shift
1,275
lsaofgdj
chemistry
chemistry-in-everyday-life
cleansing-agents
Match List - I with List - II. <br/><br/> <style> table { border-collapse: collapse; width: 100%; } th, td { border: 1px solid black; padding: 8px; text-align: left; } th { background-color: blue; color: white; } </style> <table> <tr> <th>List I (Compound)</th> <th>List II (Use)<...
[{"identifier": "A", "content": "(A)-(II), (B)-(III), (C)-(I), (D)-(IV)"}, {"identifier": "B", "content": "(A)-(III), (B)-(I), (C)-(IV), (D)-(II)"}, {"identifier": "C", "content": "(A)-(I), (B)-(II), (C)-(III), (D)-(IV)"}, {"identifier": "D", "content": "(A)-(IV), (B)-(III), (C)-(II), (D)-(I)"}]
["B"]
null
<p>Each of the compounds listed in List I has distinct uses. Let's match them correctly with the uses mentioned in List II:</p> <ul> <li><strong>Carbon tetrachloride (A)</strong> was historically used as a cleaning agent, among other things, but due to its toxicity and role in ozone depletion, it is no longer widely...
mcq
jee-main-2024-online-1st-february-evening-shift
1,276
1wuw1ZJYf4CjXzFL
chemistry
compounds-containing-nitrogen
aliphatic-amines
Which one of the following methods is neither meant for the synthesis nor for separation of amines?
[{"identifier": "A", "content": "Hinsberg method"}, {"identifier": "B", "content": "Hofmann method "}, {"identifier": "C", "content": "Wurtz reaction"}, {"identifier": "D", "content": "Curtius reaction"}]
["C"]
null
Wurtz reaction is for the preparation of hydrocarbons from alkyl halide <br><br>$$RX + 2Na + XR\buildrel \, \over \longrightarrow R - R + 2NaX$$
mcq
aieee-2005
1,277
hke6MPMCXaonrXTi
chemistry
compounds-containing-nitrogen
aliphatic-amines
Which one of the following is the strongest base in aqueous solution?
[{"identifier": "A", "content": "Trimethylamine "}, {"identifier": "B", "content": "Aniline"}, {"identifier": "C", "content": "Dimethylamine"}, {"identifier": "D", "content": "Methylamine"}]
["C"]
null
<b>NOTE :</b> Aromatic amines are less basic than aliphatic amines. Among aliphatic amines the order of basicity is $${2^ \circ } &gt; {1^ \circ } &gt; {3^ \circ }.$$ The electron density is decreased in $${3^ \circ }$$ amine due to crowing of alkyl group over $$N$$ atom which makes the approach and bonding by a proton...
mcq
aieee-2007
1,278
tVO4kJBeRqoqe0Tq
chemistry
compounds-containing-nitrogen
aliphatic-amines
An organic compound A upon reacting with $$N{H_3}$$ gives $$B.$$ On heating $$B$$ gives $$C.$$ $$C$$ in presence of $$KOH$$ reacts with $$B{r_2}$$ to given $$C{H_3}C{H_2}N{H_2}2.$$ $$A$$ is :
[{"identifier": "A", "content": "$$C{H_3}COOH$$ "}, {"identifier": "B", "content": "$$C{H_3}C{H_2}C{H_2}COOH$$ "}, {"identifier": "C", "content": "<img class=\"question-image\" src=\"https://res.cloudinary.com/dckxllbjy/image/upload/v1734266022/exam_images/anyqajicmjb5ys17ncu5.webp\" loading=\"lazy\" alt=\"JEE Main 201...
["D"]
null
<img class="question-image" src="https://res.cloudinary.com/dckxllbjy/image/upload/v1734265044/exam_images/twoh79gar6mqfxaijtya.webp" loading="lazy" alt="JEE Main 2013 (Offline) Chemistry - Compounds Containing Nitrogen Question 189 English Explanation 1"> <br><br>Reaction $$\left( {{\rm I}{\rm I}{\rm I}} \right)$$ is...
mcq
jee-main-2013-offline
1,279
OW5Yew1POHLRleED
chemistry
compounds-containing-nitrogen
aliphatic-amines
Considering the basic strength of amines in aqueous solution, which one has the smallest pK<sub>b</sub> value?
[{"identifier": "A", "content": "(CH<sub>3</sub>)<sub>3</sub>N"}, {"identifier": "B", "content": "C<sub>6</sub>H<sub>5</sub>NH<sub>2</sub>"}, {"identifier": "C", "content": "(CH<sub>3</sub>)<sub>2</sub>NH"}, {"identifier": "D", "content": "CH<sub>3</sub>NH<sub>2</sub>"}]
["C"]
null
Arylamines are less basic than alkyl amines and even ammonia. This is due to resonance. In aryl amines the lone pair of electrons on $$N$$ is partly shared with the ring and is thus less available for sharing with a portion. <br><br>In alkylamines, the electron releasing alkyl group increases the electron density on ni...
mcq
jee-main-2014-offline
1,280
wHLdpNBwztknpOVP
chemistry
compounds-containing-nitrogen
aliphatic-amines
On heating an aliphatic primary amine with chloroform and ethanolic potassium hydroxide, the organic compound formed is:
[{"identifier": "A", "content": "an alkyl cyanide"}, {"identifier": "B", "content": "an alkyl isocyanide"}, {"identifier": "C", "content": "an alkanol"}, {"identifier": "D", "content": "an alkanediol"}]
["B"]
null
<img class="question-image" src="https://res.cloudinary.com/dckxllbjy/image/upload/v1734265886/exam_images/jfqwx3hqxbnonmgtcqoc.webp" loading="lazy" alt="JEE Main 2014 (Offline) Chemistry - Compounds Containing Nitrogen Question 195 English Explanation">
mcq
jee-main-2014-offline
1,281
2GYzQ9iPnqF8sJJmBAeQ4
chemistry
compounds-containing-nitrogen
aliphatic-amines
The test to distinguish primary, secondary and tertiary amines is :
[{"identifier": "A", "content": "Carbylamine reaction"}, {"identifier": "B", "content": "C<sub>6</sub>H<sub>5</sub>SO<sub>2</sub>Cl"}, {"identifier": "C", "content": "Sandmeyer\u2019s reaction"}, {"identifier": "D", "content": "Mustard oil test"}]
["B"]
null
Hinsberg’s reagent (C<sub>6</sub>H<sub>5</sub>SO<sub>2</sub>Cl) forms monoalkyl sulphonamide with 1<sup>o</sup> amines which is soluble in KOH. With 2<sup>o</sup> amines it gives dialkyl sulphonamide which is insoluble in KOH and with 3<sup>o</sup> amines there is no reaction. <br><br>In mustard oil test, 1<sup>o</sup>...
mcq
jee-main-2016-online-9th-april-morning-slot
1,283
B9RemIihTHRDJ7fS
chemistry
compounds-containing-nitrogen
aliphatic-amines
The increasing order of basicity of the following compounds is : <img src="data:image/png;base64,UklGRuwQAABXRUJQVlA4IOAQAADwVQCdASoAA5MAPm02l0kkIqIhIZQ5OIANiWlu/HyZFmHnZ12fqb/Qu1v+u/i755/ifzn9w/Kb1YcofWzqffHftP9v/uX7sf3H0jPBH4k/2nqC/lX82/sv5U+hLtBwAfjn9C/y39X/Kb0HP7r0b8QD+Z/2n/dfbX8w97DQG/nH90/3/+E91j+X/7H+U/0H7q+1P8+...
[{"identifier": "A", "content": "(d) &lt; (b) &lt; (a) &lt; (c)"}, {"identifier": "B", "content": "(a) &lt; (b) &lt; (c) &lt; (d)"}, {"identifier": "C", "content": "(b) &lt; (a) &lt; (c) &lt; (d)"}, {"identifier": "D", "content": "(b) &lt; (a) &lt; (d) &lt; (c)"}]
["D"]
null
Among all the given compounds the basic nature depends upon their tendency to donate the electron pair. <br><br><img class="question-image" src="https://res.cloudinary.com/dckxllbjy/image/upload/v1734266193/exam_images/y9jvkwbnd0uytf46qgy6.webp" loading="lazy" alt="JEE Main 2018 (Offline) Chemistry - Compounds Contai...
mcq
jee-main-2018-offline
1,284
0J0vkUnXDQ1YBEPrGSAkD
chemistry
compounds-containing-nitrogen
aliphatic-amines
Products A and B formed in the following reactions are respectively : <br/><br/><img src="data:image/png;base64,UklGRpgMAABXRUJQVlA4IIwMAADQrwCdASoAA6IBP4HA2mW2MC0nIlK40sAwCWlu4WsBG/Pz8+/rVj8uH+n7ny7TZlMPhulf/306ffYa9tgt25y7K7EpqgJKk4Qlpd0Kk6IdfgFViBOGujgeULuhpnw0tLuhpnw0n1bzOVJMaDi6Owwkj4gGX7bxnwTFDJtXBxW7s2CssBY8n39...
[{"identifier": "A", "content": "<img src=\"https://app-content.cdn.examgoal.net/fly/@width/image/1l8g4ppek/de5707f7-766d-4269-a6b6-f380957e27b3/52bfd1c0-3c26-11ed-8acd-3bfc6080b9d7/file-1l8g4ppel.png?format=png\" data-orsrc=\"https://app-content.cdn.examgoal.net/image/1l8g4ppek/de5707f7-766d-4269-a6b6-f380957e27b3/52b...
["D"]
null
<img src="https://app-content.cdn.examgoal.net/fly/@width/image/1l8g4qhru/d640d35f-c40b-46aa-9fab-47c218b3b74a/68a9dda0-3c26-11ed-8acd-3bfc6080b9d7/file-1l8g4qhrv.png?format=png" data-orsrc="https://app-content.cdn.examgoal.net/image/1l8g4qhru/d640d35f-c40b-46aa-9fab-47c218b3b74a/68a9dda0-3c26-11ed-8acd-3bfc6080b9d7/fi...
mcq
jee-main-2018-online-16th-april-morning-slot
1,285
x8stLU7BwRPYMTAYiV3rsa0w2w9jwva8h07
chemistry
compounds-containing-nitrogen
aliphatic-amines
The major product of the following reaction is : <picture><source media="(max-width: 320px)" srcset="https://res.cloudinary.com/dckxllbjy/image/upload/v1734267248/exam_images/eulnakid9ch4nait2djf.webp"/><source media="(max-width: 500px)" srcset="https://res.cloudinary.com/dckxllbjy/image/upload/v1734265733/exam_images...
[{"identifier": "A", "content": "<picture><source media=\"(max-width: 320px)\" srcset=\"https://res.cloudinary.com/dckxllbjy/image/upload/v1734264540/exam_images/gajby9zb4d65gja823nu.webp\"><img src=\"https://res.cloudinary.com/dckxllbjy/image/upload/v1734266515/exam_images/cayyykc76stgx8rmnwg2.webp\" style=\"max-width...
["B"]
null
<picture><source media="(max-width: 320px)" srcset="https://res.cloudinary.com/dckxllbjy/image/upload/v1734267369/exam_images/xg0jkpbpsxkgvcq4y0n1.webp"><source media="(max-width: 500px)" srcset="https://res.cloudinary.com/dckxllbjy/image/upload/v1734264837/exam_images/yodxhw0fvftrrkzzobod.webp"><source media="(max-wid...
mcq
jee-main-2019-online-10th-april-morning-slot
1,286
59BJhaBiyFUZMKkVX83rsa0w2w9jx0tyhjc
chemistry
compounds-containing-nitrogen
aliphatic-amines
Which of the following is not a correct method of the preparation of benzylamine from cyanobenzene ?
[{"identifier": "A", "content": "(i) SnCl<sub>2</sub> + HCl(gas) &nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;(ii) NaBH<sub>4</sub>"}, {"identifier": "B", "content": "H<sub>2</sub>/Ni\n"}, {"identifier": "C", "content": "(i) LiAlH<sub>4</sub> &nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&n...
["D"]
null
<picture><source media="(max-width: 320px)" srcset="https://res.cloudinary.com/dckxllbjy/image/upload/v1734267647/exam_images/m1ja8xye3bmxrfrns4vx.webp"><img src="https://res.cloudinary.com/dckxllbjy/image/upload/v1734264604/exam_images/rjzknonor7hxy5wpsteq.webp" style="max-width: 100%;height: auto;display: block;margi...
mcq
jee-main-2019-online-10th-april-evening-slot
1,287
BmfR8TNQ4WXroQOVbo3rsa0w2w9jwuoung4
chemistry
compounds-containing-nitrogen
aliphatic-amines
Ethylamine (C<sub>2</sub>H<sub>5</sub>NH<sub>2</sub>) can be obtained from N-ethylphatalimide on treatment with :
[{"identifier": "A", "content": "CaH<sub>2</sub>"}, {"identifier": "B", "content": "H<sub>2</sub>O"}, {"identifier": "C", "content": "NaBH<sub>4</sub>"}, {"identifier": "D", "content": "NH<sub>2</sub>NH<sub>2</sub>"}]
["D"]
null
N-ethyl phthalimide on treatment with NH<sub>2</sub>—NH<sub>2</sub> gives ethylamine. <br><br>It is the final step of Galbriel phatalimide synthesis reaction.
mcq
jee-main-2019-online-10th-april-morning-slot
1,288
P56KeZgF4iXyWbgL0g94w
chemistry
compounds-containing-nitrogen
aliphatic-amines
Which of the following amines can be prepared by Gabriel phthalimide reaction ?
[{"identifier": "A", "content": "neo-pentylamine"}, {"identifier": "B", "content": "n-butylamine"}, {"identifier": "C", "content": "t-butylamine"}, {"identifier": "D", "content": "triethylamine"}]
["B"]
null
Gabriel phthalimide synthesis is used to prepare 1<sup>o</sup> aliphatic amine. <picture><source media="(max-width: 320px)" srcset="https://res.cloudinary.com/dckxllbjy/image/upload/v1734265031/exam_images/gna0ufltmgbnnvencvui.webp"><source media="(max-width: 500px)" srcset="https://res.cloudinary.com/dckxllbjy/image/u...
mcq
jee-main-2019-online-8th-april-morning-slot
1,290
rRfLD2FDqqZzzzktRYfds
chemistry
compounds-containing-nitrogen
aliphatic-amines
A compound 'X' on treatment with Br<sub>2</sub>/NaOH, provided C<sub>3</sub>H<sub>9</sub>N, which gives positive carbylamine test. Compound 'X' is :
[{"identifier": "A", "content": "CH<sub>3</sub>CH<sub>2</sub>CH<sub>2</sub>CONH<sub>2</sub>"}, {"identifier": "B", "content": "CH<sub>3</sub>CON(CH<sub>3</sub>)<sub>2</sub>"}, {"identifier": "C", "content": "CH<sub>3</sub>CH<sub>2</sub>COCH<sub>2</sub>NH"}, {"identifier": "D", "content": "CH<sub>3</sub>COCH<sub>2</sub>...
["A"]
null
Br<sub>2</sub>/NaOH(Hoffman Hypobromide reagent) converts amide into primary amine having one carbon atom less, which gives carbylamine test. In the Amide there should be<br> -CONH<sub>2</sub> group to produce primary amine.
mcq
jee-main-2019-online-11th-january-evening-slot
1,291
joRhdIH2URIaz1zoFYDP4
chemistry
compounds-containing-nitrogen
aliphatic-amines
The major product of the following reaction is : <br/><br/><img src="data:image/png;base64,UklGRuIIAABXRUJQVlA4INYIAADQXwCdASoAA9cAP4G+1mW2LyqnIdPJOsAwCWlu/HyYv70HZ1+/rr/kP513kf73JI9Qbh7svOV/JGag9B/9ecz9+DqQTG2HtM9pntM9pntM9pntM9pntM9pdc1rHMBwxWscwHDFaxzAZp5KV639zQOGK1jmA4YrXPOr6wHDFaxzAcMVrHMBwa7rOZKKZcwMeqSsO6MVrHMBw...
[{"identifier": "A", "content": "<img src=\"https://res.cloudinary.com/dckxllbjy/image/upload/v1734266984/exam_images/ptbb3tyal25uotun1g3s.webp\" style=\"max-width: 100%; height: auto;display: block;margin: 0 auto;\" loading=\"lazy\" alt=\"JEE Main 2019 (Online) 10th January Evening Slot Chemistry - Compounds Containi...
["D"]
null
<picture><source media="(max-width: 320px)" srcset="https://res.cloudinary.com/dckxllbjy/image/upload/v1734264067/exam_images/tma1xspoq1yk0hzqukub.webp"><source media="(max-width: 500px)" srcset="https://res.cloudinary.com/dckxllbjy/image/upload/v1734267503/exam_images/b2hgw3txpybidsfjltv6.webp"><source media="(max-wid...
mcq
jee-main-2019-online-10th-january-evening-slot
1,292
ktLAZ0aAVPn3IiHXaaZGZ
chemistry
compounds-containing-nitrogen
aliphatic-amines
The major product of following reaction is : <br/><br/><img src="data:image/png;base64,UklGRiARAABXRUJQVlA4IBQRAAAwZwCdASoAA5YAPm02mEekIyKhJFOKaIANiWlu4XKRG/OB8m/37tg/1XSNe+vcXlPROPk/3a/ef3/21fzf+38L+AF7S/1G87gA/Sf675sPynmN4gHBo0A/6J/mvQw/9fNJ9eewv5cPr1IvoP9xI22kEZ0WxI22kEZ0WxI22kEZ0WxI22kEZ0WxI22kEZ0WfenVmWSXhm0ZfTKT...
[{"identifier": "A", "content": "RCOOH"}, {"identifier": "B", "content": "RCONH<sub>2</sub>"}, {"identifier": "C", "content": "RCHO"}, {"identifier": "D", "content": "RCH<sub>2</sub>NH<sub>2</sub>"}]
["C"]
null
<img src="https://app-content.cdn.examgoal.net/fly/@width/image/1l8mhdmb6/09360d37-5362-4e68-b866-267239bbf4c7/8d39b830-3fa4-11ed-835d-8b6c97a43374/file-1l8mhdmb7.png?format=png" data-orsrc="https://app-content.cdn.examgoal.net/image/1l8mhdmb6/09360d37-5362-4e68-b866-267239bbf4c7/8d39b830-3fa4-11ed-835d-8b6c97a43374/fi...
mcq
jee-main-2019-online-9th-january-morning-slot
1,294
Nugxl6XAShu0qe9LoYV1Q
chemistry
compounds-containing-nitrogen
aliphatic-amines
The increasing order of the reactivity of the following with LiAlH<sub>4</sub> is <br/><br/><img src="data:image/png;base64,UklGRmISAABXRUJQVlA4IFYSAACQswCdASoAA4IBP4G+2GW2L6snIbCZWsAwCWlu/EsY3L0HZ1+fqv/h/UF5F2Bhgjmzsv4CLtu0IwK8Kv5zXMTzPhrKeopVMbailUxtqKVTG2opVMbailUxtp6LYu6kq/74W69lwwN4Dhic1s2Z3WPDIx5rpv2jzhs5fe8bwHD...
[{"identifier": "A", "content": "A &lt; B &lt; C &lt; D "}, {"identifier": "B", "content": "B &lt; A &lt; C &lt; D "}, {"identifier": "C", "content": "B &lt; A &lt; D &lt; C "}, {"identifier": "D", "content": "A &lt; B &lt; D &lt; C \n"}]
["D"]
null
<p>All the given compounds are acid derivatives, thus contain carbonyl group in them. LiAlH<sub>4</sub> reduces these compounds through nucleophilic substitution via addition elimination (S<sub>N<sub>A</sub></sub>E) reaction. The rate of reaction depends upon the following factors:</p> <p>(i) Size of alkyl group.</p> <...
mcq
jee-main-2019-online-12th-january-evening-slot
1,295
qT8JE1Nolujt9MAq4O7k9k2k5h2jv28
chemistry
compounds-containing-nitrogen
aliphatic-amines
The major products A and B in the following reactions are : <br/><br/><img src="data:image/png;base64,UklGRpYLAABXRUJQVlA4IIoLAABwQwCdASpTAYMAPm02l0gkIyehI3GKiPANiWlu/Gf4wMADOzrs/RX+Pdp39i/JzrZPLH6D+z3pzf0XRN/AHdre//yb+xf7f42fmf+V/jn7Tegvu81AvVH9r/lv7U+dP/PfwD+n98dTL/hfzb2AvZ75N/ff4f/Y/+B/gPQr/jf47/QP917lfU7+9+4B+pf+//...
[{"identifier": "A", "content": "<img src=\"https://res.cloudinary.com/dckxllbjy/image/upload/v1734267764/exam_images/y2da3abjfzutapcb6kmn.webp\" style=\"max-width: 100%;height: auto;display: block;margin: 0 auto;\" loading=\"lazy\" alt=\"JEE Main 2020 (Online) 8th January Morning Slot Chemistry - Compounds Containing ...
["C"]
null
Peroxide generates a radical that abstracts H-atom from the C-atom adjacent to CN group to give more stable radical. <br><br><img src="https://res.cloudinary.com/dckxllbjy/image/upload/v1734266940/exam_images/hbntgs4vgfjhad0qhkio.webp" style="max-width: 100%;height: auto;display: block;margin: 0 auto;" loading="lazy" a...
mcq
jee-main-2020-online-8th-january-morning-slot
1,296
rkxCXZW1PjLQ7qUzSJjgy2xukfjah2zh
chemistry
compounds-containing-nitrogen
aliphatic-amines
The most appropriate reagent for conversion of C<sub>2</sub>H<sub>5</sub>CN into CH<sub>3</sub>CH<sub>2</sub>CH<sub>2</sub>NH<sub>2</sub> is
[{"identifier": "A", "content": "NaBH<sub>4</sub>"}, {"identifier": "B", "content": "CaH<sub>2</sub>"}, {"identifier": "C", "content": "Na(CN)BH<sub>3</sub>"}, {"identifier": "D", "content": "LiAlH<sub>4</sub>"}]
["D"]
null
CH<sub>3</sub>–CH<sub>2</sub>–C$$ \equiv $$N $$\buildrel {LiAl{H_4}} \over \longrightarrow $$ CH<sub>3</sub>–CH<sub>2</sub>–CH<sub>2</sub>–NH<sub>2</sub>
mcq
jee-main-2020-online-5th-september-morning-slot
1,297
z23SrcXjtoeb27s5vQjgy2xukft5g2f3
chemistry
compounds-containing-nitrogen
aliphatic-amines
The increasing order of pK<sub>b</sub> values of the following compounds is : <br/><br/><img src="data:image/png;base64,UklGRrYYAABXRUJQVlA4IKoYAACQfwCdASr0AeMAPm0ylkikIqIhJHH6IIANiWlu/C1AC+p8ieXqg9TdBM+Gv5J+Nvuu76fsv9m/sn+G/Hn3F/E/oP75/Wv2i/u/sw/E/8e66b5a/lHsx89/wv8Z/qP/O/s3zt/NP8//Kf65/p/7N6U+9T+k/nH7T/AR6e/tv8e/q3+S...
[{"identifier": "A", "content": "I &lt; II &lt; IV &lt; III"}, {"identifier": "B", "content": "I &lt; II &lt; III &lt; IV"}, {"identifier": "C", "content": "II &lt; I &lt; III &lt; IV"}, {"identifier": "D", "content": "II &lt; IV &lt; III &lt; I"}]
["A"]
null
Order of pK<sub>b</sub> <img src="https://res.cloudinary.com/dckxllbjy/image/upload/v1734264860/exam_images/z3mmyt0o1eafgfkf6cez.webp" style="max-width: 100%;height: auto;display: block;margin: 0 auto;" loading="lazy" alt="JEE Main 2020 (Online) 6th September Morning Slot Chemistry - Compounds Containing Nitrogen Quest...
mcq
jee-main-2020-online-6th-september-morning-slot
1,298
Yu1A602TF5La6xsWfD1kludssqn
chemistry
compounds-containing-nitrogen
aliphatic-amines
An amine on reaction with benzensulphonyl chloride produces a compound insoluble in alkaline solution. This amine can be prepared by ammonolysis of ethyl chloride. The correct structure of amine is :
[{"identifier": "A", "content": "CH<sub>3</sub>CH<sub>2</sub>NH<sub>2</sub>"}, {"identifier": "B", "content": "CH<sub>3</sub>CH<sub>2</sub>CH<sub>2</sub>NHCH<sub>3</sub>"}, {"identifier": "C", "content": "CH<sub>3</sub>CH<sub>2</sub>CH<sub>2</sub>$$\\mathop N\\limits^H $$-CH<sub>2</sub>CH<sub>3</sub>"}, {"identifier": ...
["C"]
null
<img src="https://res.cloudinary.com/dckxllbjy/image/upload/v1734263507/exam_images/jdsgbymcp47dv4yxks2s.webp" style="max-width: 100%;height: auto;display: block;margin: 0 auto;" loading="lazy" alt="JEE Main 2021 (Online) 26th February Morning Shift Chemistry - Compounds Containing Nitrogen Question 132 English Explana...
mcq
jee-main-2021-online-26th-february-morning-slot
1,299
fVsnuiPkKHTkWjuYUc1kmitlhyd
chemistry
compounds-containing-nitrogen
aliphatic-amines
Which of the following is least basic?
[{"identifier": "A", "content": "$${(C{H_3}CO)_2}\\mathop N\\limits^{..} H$$"}, {"identifier": "B", "content": "$$(C{H_3}CO)\\mathop N\\limits^{..} H{C_2}{H_5}$$"}, {"identifier": "C", "content": "$${({C_2}{H_5})_3}\\mathop N\\limits^{..} $$"}, {"identifier": "D", "content": "$${({C_2}{H_5})_2}\\mathop N\\limits^{..} H...
["A"]
null
Basic strength $$ \propto $$ availability of lone pair.<br><br> <img src="https://res.cloudinary.com/dckxllbjy/image/upload/v1734264786/exam_images/hk5dmevxlchpgshrmsg8.webp" style="max-width: 100%;height: auto;display: block;margin: 0 auto;" loading="lazy" alt="JEE Main 2021 (Online) 16th March Evening Shift Chemistry...
mcq
jee-main-2021-online-16th-march-evening-shift
1,301
lXqqqlAxX4ZbbG6NXt1kmkisrv9
chemistry
compounds-containing-nitrogen
aliphatic-amines
Primary, secondary and tertiary amines can be separated using:
[{"identifier": "A", "content": "Chloroform and KOH"}, {"identifier": "B", "content": "Acetyl amide"}, {"identifier": "C", "content": "Benzene sulphonic acid"}, {"identifier": "D", "content": "para-Toluene sulphonyl chloride"}]
["D"]
null
<img src="https://res.cloudinary.com/dckxllbjy/image/upload/v1734267245/exam_images/t0biswsxs2am2ueqcyjb.webp" style="max-width: 100%;height: auto;display: block;margin: 0 auto;" loading="lazy" alt="JEE Main 2021 (Online) 17th March Evening Shift Chemistry - Compounds Containing Nitrogen Question 124 English Explanatio...
mcq
jee-main-2021-online-17th-march-evening-shift
1,303
UwBxxnTsfLvQVeZKog1kmm1esnl
chemistry
compounds-containing-nitrogen
aliphatic-amines
An organic compound "A" on treatment with benzene sulphonyl chloride gives compound B. B is soluble in dil. NaOH solution. Compound A is :
[{"identifier": "A", "content": "<img src=\"https://res.cloudinary.com/dckxllbjy/image/upload/v1734265594/exam_images/pwslixewll8snvlbjsfn.webp\" style=\"max-width: 100%;height: auto;display: block;margin: 0 auto;\" loading=\"lazy\" alt=\"JEE Main 2021 (Online) 18th March Evening Shift Chemistry - Compounds Containing ...
["A"]
null
<img src="https://res.cloudinary.com/dckxllbjy/image/upload/v1734263372/exam_images/wnetimrkxvm3ohyrwchv.webp" style="max-width: 100%;height: auto;display: block;margin: 0 auto;" loading="lazy" alt="JEE Main 2021 (Online) 18th March Evening Shift Chemistry - Compounds Containing Nitrogen Question 121 English Explanatio...
mcq
jee-main-2021-online-18th-march-evening-shift
1,305
1krq637r5
chemistry
compounds-containing-nitrogen
aliphatic-amines
Compound A is converted to B on reaction with CHCl<sub>3</sub> and KOH. The compound B is toxic and can be decomposed by C. A, B and C respectively are :
[{"identifier": "A", "content": "primary amine, nitrile compound, conc. HCl"}, {"identifier": "B", "content": "secondary amine, isonitrile compound, conc. NaOH"}, {"identifier": "C", "content": "primary amine, isonitrile compound, conc. HCl"}, {"identifier": "D", "content": "secondary amine, nitrile compound, conc. NaO...
["C"]
null
<p> Primary amine reacts in presence of chloroform gives isonitrile which is toxic in nature which further reacts in presence of HCl/H<sub>3</sub>O<sup>+</sup> to give primary amine and acid.</p> <p><img src="https://app-content.cdn.examgoal.net/fly/@width/image/1l2pjg0y6/53c9b964-73e1-4bf1-b1e1-e7d266d7b6de/b0159ee0-c...
mcq
jee-main-2021-online-20th-july-morning-shift
1,306
1krq6tmqs
chemistry
compounds-containing-nitrogen
aliphatic-amines
The number of nitrogen atoms in a semicarbazone molecule of acetone is ______________.
[]
null
3
<p>Three nitrogen atoms are present as per structure below</p> <img src="https://app-content.cdn.examgoal.net/fly/@width/image/1l2pinglb/d5658e35-4c6b-4d1e-a0c6-aac9d986e7aa/95b3cde0-ca86-11ec-ab2b-7960e659c3b6/file-1l2pinglc.png?format=png" data-orsrc="https://app-content.cdn.examgoal.net/image/1l2pinglb/d5658e35-4c6b...
integer
jee-main-2021-online-20th-july-morning-shift
1,307
1krusgxp0
chemistry
compounds-containing-nitrogen
aliphatic-amines
Which one of the products of the following reactions does not react with Hinsberg reagent to form sulphonamide?
[{"identifier": "A", "content": "<img src=\"https://res.cloudinary.com/dckxllbjy/image/upload/v1734263771/exam_images/a2f10wxv8j6xhfnxj0vd.webp\" style=\"max-width: 100%;height: auto;display: block;margin: 0 auto;\" loading=\"lazy\" alt=\"JEE Main 2021 (Online) 25th July Morning Shift Chemistry - Compounds Containing N...
["B"]
null
<img src="https://res.cloudinary.com/dckxllbjy/image/upload/v1734266556/exam_images/wmqyxuwqi4mt67fgrosv.webp" style="max-width: 100%;height: auto;display: block;margin: 0 auto;" loading="lazy" alt="JEE Main 2021 (Online) 25th July Morning Shift Chemistry - Compounds Containing Nitrogen Question 112 English Explanation...
mcq
jee-main-2021-online-25th-july-morning-shift
1,308
1ks1iikga
chemistry
compounds-containing-nitrogen
aliphatic-amines
What is A in the following reaction?<br/><br/><picture><source media="(max-width: 320px)" srcset="https://res.cloudinary.com/dckxllbjy/image/upload/v1734266984/exam_images/d0emlfqryfw73ldvvucm.webp"/><source media="(max-width: 500px)" srcset="https://res.cloudinary.com/dckxllbjy/image/upload/v1734265791/exam_images/bw9...
[{"identifier": "A", "content": "<img src=\"https://res.cloudinary.com/dckxllbjy/image/upload/v1734265762/exam_images/zwjgezkf8rc23mncnhc1.webp\" style=\"max-width: 100%;height: auto;display: block;margin: 0 auto;\" loading=\"lazy\" alt=\"JEE Main 2021 (Online) 27th July Evening Shift Chemistry - Compounds Containing N...
["D"]
null
<img src="https://res.cloudinary.com/dckxllbjy/image/upload/v1734266430/exam_images/ififp5coojbveagaiqed.webp" style="max-width: 100%;height: auto;display: block;margin: 0 auto;" loading="lazy" alt="JEE Main 2021 (Online) 27th July Evening Shift Chemistry - Compounds Containing Nitrogen Question 105 English Explanation...
mcq
jee-main-2021-online-27th-july-evening-shift
1,310
1ktcre441
chemistry
compounds-containing-nitrogen
aliphatic-amines
<picture><source media="(max-width: 320px)" srcset="https://res.cloudinary.com/dckxllbjy/image/upload/v1734264790/exam_images/zhzneufk6dzfbruyccij.webp"/><source media="(max-width: 500px)" srcset="https://res.cloudinary.com/dckxllbjy/image/upload/v1734265472/exam_images/noupzorfncrbyfcf5wyk.webp"/><source media="(max-w...
[{"identifier": "A", "content": "<img src=\"https://res.cloudinary.com/dckxllbjy/image/upload/v1734266648/exam_images/g4pxejyphxmhrzbqhi16.webp\" style=\"max-width: 100%;height: auto;display: block;margin: 0 auto;\" loading=\"lazy\" alt=\"JEE Main 2021 (Online) 26th August Evening Shift Chemistry - Compounds Containing...
["C"]
null
<p>Cyanohydrin is formed when carbonyl compound reacts with HCN in the presence of alkali (NaOH).</p> <img src="https://app-content.cdn.examgoal.net/fly/@width/image/1l3xamdbr/05deeb0a-3875-43a4-9bfb-60efebd159e5/aae99070-e299-11ec-8ea3-fd6d660fc854/file-1l3xamdbs.png?format=png" data-orsrc="https://app-content.cdn.exa...
mcq
jee-main-2021-online-26th-august-evening-shift
1,311
1ktebsbu3
chemistry
compounds-containing-nitrogen
aliphatic-amines
The major product of the following reaction is :<br/><br/><picture><source media="(max-width: 320px)" srcset="https://res.cloudinary.com/dckxllbjy/image/upload/v1734267028/exam_images/hri77qeonxxrpaaxjkxn.webp"/><source media="(max-width: 500px)" srcset="https://res.cloudinary.com/dckxllbjy/image/upload/v1734264366/exa...
[{"identifier": "A", "content": "<img src=\"https://res.cloudinary.com/dckxllbjy/image/upload/v1734264959/exam_images/vbvu8ebcxl3epzxdchco.webp\" style=\"max-width: 100%;height: auto;display: block;margin: 0 auto;\" loading=\"lazy\" alt=\"JEE Main 2021 (Online) 27th August Morning Shift Chemistry - Compounds Containing...
["C"]
null
<img src="https://res.cloudinary.com/dckxllbjy/image/upload/v1734265375/exam_images/jyjisl6t1yfwzw5cwc6c.webp" style="max-width: 100%;height: auto;display: block;margin: 0 auto;" loading="lazy" alt="JEE Main 2021 (Online) 27th August Morning Shift Chemistry - Compounds Containing Nitrogen Question 98 English Explanatio...
mcq
jee-main-2021-online-27th-august-morning-shift
1,312
1ktebukq3
chemistry
compounds-containing-nitrogen
aliphatic-amines
Which of the following is not a correct statement for primary aliphatic amines?
[{"identifier": "A", "content": "The intermolecular association in primary amines is less than the intermolecular association in secondary amines."}, {"identifier": "B", "content": "Primary amines on treating with nitrous acid solution from corresponding alcohols except mythyl amine."}, {"identifier": "C", "content": "...
["A"]
null
The intermolecular association is more prominent in case of primary amines as compared to secondary, due to the availability of two hydrogen atom.
mcq
jee-main-2021-online-27th-august-morning-shift
1,313
1ktiabu87
chemistry
compounds-containing-nitrogen
aliphatic-amines
The major products A and B in the following set of reactions are :<br/><br/><img src="data:image/png;base64,UklGRpwNAABXRUJQVlA4IJANAADQTACdASrOAWcAPm0ylkgkIqIhJhG6YIANiWlu/HyXu8ANf0DwnafGX8c/HfzH/qP9m/rn7M+JL51+8/lP/YfXC+GOor/ov5X3Unvv8f/r/+69Sf8t/Qv6H/rv6r6K/BzUL9Kf3D+R/t9/Y/T1/ev4B3lFbP0W9gj3d+b/5L+gfz3/t/3Lzwv4L+fe...
[{"identifier": "A", "content": "<img src=\"https://res.cloudinary.com/dckxllbjy/image/upload/v1734267242/exam_images/fvx7vreu5jxr9gls6hs4.webp\" style=\"max-width: 100%;height: auto;display: block;margin: 0 auto;\" loading=\"lazy\" alt=\"JEE Main 2021 (Online) 31st August Morning Shift Chemistry - Compounds Containing...
["B"]
null
<img src="https://res.cloudinary.com/dckxllbjy/image/upload/v1734266125/exam_images/vntvp8qezycm0smopmqs.webp" style="max-width: 100%;height: auto;display: block;margin: 0 auto;" loading="lazy" alt="JEE Main 2021 (Online) 31st August Morning Shift Chemistry - Compounds Containing Nitrogen Question 95 English Explanatio...
mcq
jee-main-2021-online-31st-august-morning-shift
1,314
1l57selme
chemistry
compounds-containing-nitrogen
aliphatic-amines
<p>Given below are two statements :</p> <p>Statement I : In Hofmann degradation reaction, the migration of only an alkyl group takes place from carbonyl carbon of the amide to the nitrogen atom.</p> <p>Statement II : The group is migrated in Hofmann degradation reaction to electron deficient atom.</p> <p>In the light o...
[{"identifier": "A", "content": "Both Statement I and Statement II are correct."}, {"identifier": "B", "content": "Both Statement I and Statement II are incorrect."}, {"identifier": "C", "content": "Statement I is correct but Statement II is incorrect."}, {"identifier": "D", "content": "Statement I is incorrect but Sta...
["D"]
null
Hofmann bromamide degradation <br/><br/> In this degradation, the migration of the alkyl/aryl group occurs to the electron-deficient nitrogen (nitrene). <br/><br/> Statement (I) is not absolutely correct as it mentions only the alkyl group, whereas migration of aryl groups may also occur depending on migratory aptitude...
mcq
jee-main-2022-online-27th-june-morning-shift
1,315
1l59rcbl1
chemistry
compounds-containing-nitrogen
aliphatic-amines
<p>Which of the following ketone will NOT give enamine on treatment with secondary amines? [where t-Bu is $$-$$C(CH<sub>3</sub>)<sub>3</sub>]</p>
[{"identifier": "A", "content": "<img src=\"https://app-content.cdn.examgoal.net/fly/@width/image/1l5bre8zv/ea93985e-300c-4136-9e2d-fd8271bb5141/74c2adb0-fe5a-11ec-b169-b5046c590266/file-1l5bre8zw.png?format=png\" data-orsrc=\"https://app-content.cdn.examgoal.net/image/1l5bre8zv/ea93985e-300c-4136-9e2d-fd8271bb5141/74c...
["C"]
null
In order to form enamine from the reaction of carbonyl compound with $2^{\circ}$ amine, the carbonyl compound must have $\alpha$-hydrogen.<br><br><img src="https://app-content.cdn.examgoal.net/fly/@width/image/1l9xoluds/99e3480f-fb77-4671-9d19-388cb23f9f65/a85c4100-5999-11ed-8313-678a7ff0eccc/file-1l9xoludt.png?format=...
mcq
jee-main-2022-online-25th-june-evening-shift
1,318
1l5am871r
chemistry
compounds-containing-nitrogen
aliphatic-amines
<p>The reaction of <img src="data:image/png;base64,UklGRr4HAABXRUJQVlA4ILIHAABQlQCdASoAA6ABP4HA32S2Mj+nIdTZK/AwCWlu4WuUDmNwvVSIfdKcs6Mg0O5Cf7gvcF7gvcF7gvcF7gvcF7gvcF7gvb+4opePcUUvHuKKXj3FFLx7iil49xRS8e4op1hS8e4opePcUUvHuKKXj3FFLx7iil49xRS8lRhACzJ58jKzMfztgil49xP0kmxtG0buGIwUmyNqJ9UDzm/K26tGuzhVQdNUCxuo/rhvgUVlByjuun6Q5...
[{"identifier": "A", "content": "<img src=\"https://app-content.cdn.examgoal.net/fly/@width/image/1l5bsrsgh/60f1004d-c79d-4975-b4c4-c1a9d526c905/d6712410-fe5f-11ec-b169-b5046c590266/file-1l5bsrsgi.png?format=png\" data-orsrc=\"https://app-content.cdn.examgoal.net/image/1l5bsrsgh/60f1004d-c79d-4975-b4c4-c1a9d526c905/d67...
["C"]
null
The given reaction is Hoffmann-Bromide degradation method.<br><br><img src="https://app-content.cdn.examgoal.net/fly/@width/image/1l8mcz7ju/2b08e754-fa9e-405e-9596-0e7eeabfe921/57fb1ad0-3f93-11ed-af9d-134e99e746ec/file-1l8mcz7jx.png?format=png" data-orsrc="https://app-content.cdn.examgoal.net/image/1l8mcz7ju/2b08e754-f...
mcq
jee-main-2022-online-25th-june-morning-shift
1,319
1l6e1oe02
chemistry
compounds-containing-nitrogen
aliphatic-amines
<p>An organic compound 'A' on reaction with NH<sub>3</sub> followed by heating gives compound B. Which on further strong heating gives compound C (C<sub>8</sub>H<sub>5</sub>NO<sub>2</sub>). Compound C on sequential reaction with ethanolic KOH, alkyl chloride and hydrolysis with alkali gives a primary amine. The compoun...
[{"identifier": "A", "content": "<img src=\"https://app-content.cdn.examgoal.net/fly/@width/image/1l6er17kp/dc2fdf54-8df8-40b7-9ee0-d2c6d0729fd7/9b788890-13cb-11ed-b12e-0be2f600acf7/file-1l6er17kq.png?format=png\" data-orsrc=\"https://app-content.cdn.examgoal.net/image/1l6er17kp/dc2fdf54-8df8-40b7-9ee0-d2c6d0729fd7/9b7...
["C"]
null
<p>Gabriel Pthalimide reaction</p><p><img src="https://app-content.cdn.examgoal.net/fly/@width/image/1lc5nql4j/e8fc9730-d481-445f-aeb2-f7e56ce4790e/f7144c30-8594-11ed-a4e1-239777dab634/file-1lc5nql4k.png?format=png" data-orsrc="https://app-content.cdn.examgoal.net/image/1lc5nql4j/e8fc9730-d481-445f-aeb2-f7e56ce4790e/f7...
mcq
jee-main-2022-online-25th-july-morning-shift
1,321
1l6e2hux2
chemistry
compounds-containing-nitrogen
aliphatic-amines
<p>The number of sp<sup>3</sup> hybridised carbons in an acyclic neutral compound with molecular formula C<sub>4</sub>H<sub>5</sub>N is ___________.</p>
[]
null
1
$\mathrm{C}_{4} \mathrm{H}_{5} \mathrm{~N}$ <br><br> $$ \begin{aligned} \mathrm{DBE} &amp; =(\mathrm{C}+1)-\left(\frac{\mathrm{H}+\mathrm{X}-\mathrm{N}}{2}\right) \\\\ &amp; =4+1-\left(\frac{5-1}{2}\right)=5-2=3 \end{aligned} $$ <br><br> 3 double bond equivalent are present in compound<br><br> <img src="https://app-con...
integer
jee-main-2022-online-25th-july-morning-shift
1,322
1l6jmd7lc
chemistry
compounds-containing-nitrogen
aliphatic-amines
<p>Match List I with List II.</p> <p><style type="text/css"> .tg {border-collapse:collapse;border-spacing:0;} .tg td{border-color:black;border-style:solid;border-width:1px;font-family:Arial, sans-serif;font-size:14px; overflow:hidden;padding:10px 5px;word-break:normal;} .tg th{border-color:black;border-style:solid;b...
[{"identifier": "A", "content": "A-IV, B-III, C-II, D-I"}, {"identifier": "B", "content": "A-IV, B-II, C-I, D-III"}, {"identifier": "C", "content": "A-III, B-IV, C-I, D-II"}, {"identifier": "D", "content": "A-IV, B-III, C-I, D-II"}]
["C"]
null
(A) Benzene sulphonyl chloride is also known as Hinsberg reagent. <br/><br/> (B) Hoffmann bromamide reaction involves conversion of amide to amine having one $\mathrm{C}$ atom less. This reaction involves isocyanate as intermediate. <br/><br/> (C) Carbylamine reaction is a test given by all primary amines. <br/><br/> (...
mcq
jee-main-2022-online-27th-july-morning-shift
1,323
1l6mdl525
chemistry
compounds-containing-nitrogen
aliphatic-amines
<p>Identify the correct statement for the below given transformation.</p> <p><img src="data:image/png;base64,UklGRoYXAABXRUJQVlA4IHoXAAAwdQCdASoAA3UAPm02l0gkIyIhI7JKuIANiWlu/HyZbsADOzrn/UD+vfjb4Mf4z8oPPvxce3/Y/2Cf6rwf9f+Z/8q+0n6L+zfuX/gPnD/Ff4/wx+aH+H6gX5L/M/83+Y/BXgC/O/7F/yf8R4yOpx4R/6PuAfzj+0+nX+y8K77r/0vYG/mP+H9Db/0...
[{"identifier": "A", "content": "$$\\mathrm{A}-\\mathrm{CH}_{3} \\mathrm{CH}_{2} \\mathrm{CH}=\\mathrm{CH}-\\mathrm{CH}_{3}, \\mathrm{~B}-\\mathrm{CH}_{3} \\mathrm{CH}_{2} \\mathrm{CH}_{2} \\mathrm{CH}=\\mathrm{CH}_{2}$$, Saytzeff products"}, {"identifier": "B", "content": "$$\\mathrm{A}-\\mathrm{CH}_{3} \\mathrm{CH}_{...
["C"]
null
<img src="https://app-content.cdn.examgoal.net/fly/@width/image/1l7ox98ww/972cdfcc-dc88-4d3a-af89-fcaaa1d73196/ffa06d10-2d2f-11ed-b144-5949e1cb6ba8/file-1l7ox98wx.png?format=png" data-orsrc="https://app-content.cdn.examgoal.net/image/1l7ox98ww/972cdfcc-dc88-4d3a-af89-fcaaa1d73196/ffa06d10-2d2f-11ed-b144-5949e1cb6ba8/fi...
mcq
jee-main-2022-online-28th-july-morning-shift
1,324
1l6p7bpbr
chemistry
compounds-containing-nitrogen
aliphatic-amines
<p>Which among the following is the strongest Bronsted base?</p>
[{"identifier": "A", "content": "<img src=\"https://app-content.cdn.examgoal.net/fly/@width/image/1l6sdqjaq/9ba6d3f6-a138-4780-858d-df2ca7e3d6b5/9509f120-1b4a-11ed-a30a-c150b936f917/file-1l6sdqjar.png?format=png\" data-orsrc=\"https://app-content.cdn.examgoal.net/image/1l6sdqjaq/9ba6d3f6-a138-4780-858d-df2ca7e3d6b5/950...
["D"]
null
<img src="https://app-content.cdn.examgoal.net/fly/@width/image/1l7w079b9/3124b409-015b-4635-a315-51295392cf64/003fd150-3115-11ed-aea7-cb6fb344ee54/file-1l7w079ba.png?format=png" data-orsrc="https://app-content.cdn.examgoal.net/image/1l7w079b9/3124b409-015b-4635-a315-51295392cf64/003fd150-3115-11ed-aea7-cb6fb344ee54/fi...
mcq
jee-main-2022-online-29th-july-morning-shift
1,325
1l6rkx939
chemistry
compounds-containing-nitrogen
aliphatic-amines
<p>The Hinsberg reagent is</p>
[{"identifier": "A", "content": "<img src=\"https://app-content.cdn.examgoal.net/fly/@width/image/1l6tc4qar/07d8f542-cb7d-496f-b9db-e506bfb5620c/162a7730-1bd1-11ed-9f1d-eff1e78b91ab/file-1l6tc4qas.png?format=png\" data-orsrc=\"https://app-content.cdn.examgoal.net/image/1l6tc4qar/07d8f542-cb7d-496f-b9db-e506bfb5620c/162...
["A"]
null
<img src="https://app-content.cdn.examgoal.net/fly/@width/image/1l6tc4qar/07d8f542-cb7d-496f-b9db-e506bfb5620c/162a7730-1bd1-11ed-9f1d-eff1e78b91ab/file-1l6tc4qas.png?format=png" data-orsrc="https://app-content.cdn.examgoal.net/image/1l6tc4qar/07d8f542-cb7d-496f-b9db-e506bfb5620c/162a7730-1bd1-11ed-9f1d-eff1e78b91ab/fi...
mcq
jee-main-2022-online-29th-july-evening-shift
1,326
1ldojf2re
chemistry
compounds-containing-nitrogen
aliphatic-amines
<p>In the following reaction, 'A' is</p> <p><img src="data:image/png;base64,UklGRmAJAABXRUJQVlA4IFQJAADQbACdASoAA+oAP4G21mY2LKwnIfDJSsAwCWlu4WdzlmNwvV6PtL7QDtLl4A5m36JwM4t/oKi2YA7p+yy5jxY/dD2P7cFUCbkadun7f6CotmAO5z6wGJJidwGoVkJYHGtMXs4K0wcRI6vOaWfMbwGmAWpPI8FOLYEWyxMks+Y3gOGBzSz5yjmlm5hxws8XjI2H7qkceXIDpkOAqycKjZjeA4YH...
[{"identifier": "A", "content": "<img src=\"https://app-content.cdn.examgoal.net/fly/@width/image/1ldoupxop/4856410c-1aa8-4465-a7e2-a39d7e1b4faf/60982b90-a3ef-11ed-b56d-63317aef4a22/file-1ldoupxoq.png?format=png\" data-orsrc=\"https://app-content.cdn.examgoal.net/image/1ldoupxop/4856410c-1aa8-4465-a7e2-a39d7e1b4faf/609...
["B"]
null
<p>Initially lone pair electron of –NH<sub>2</sub> attack on electrophilic carbon, after then lone pair electron of oxygen attacks leading to formation of cyclic compound. </p> <p><img src="https://app-content.cdn.examgoal.net/fly/@width/image/1ldx66aoy/ad3250b5-6ddc-4cae-8d07-93409192ff27/71344820-a882-11ed-99b3-79cb2...
mcq
jee-main-2023-online-1st-february-morning-shift
1,328
1ldscxm1g
chemistry
compounds-containing-nitrogen
aliphatic-amines
<p>Reaction of propanamide with $$\mathrm{Br_2/KOH(aq)}$$ produces :</p>
[{"identifier": "A", "content": "Propanenitrile"}, {"identifier": "B", "content": "Propylamine"}, {"identifier": "C", "content": "Ethylnitrile"}, {"identifier": "D", "content": "Ethylamine"}]
["D"]
null
<p>Propanamide $$\mathrm{\buildrel {B{r_2}/KOH} \over \longrightarrow}$$ Ethylamine</p>
mcq
jee-main-2023-online-29th-january-evening-shift
1,329
1ldsqid48
chemistry
compounds-containing-nitrogen
aliphatic-amines
<p>The major product 'P' for the following sequence of reactions is :</p> <p><img src="data:image/png;base64,UklGRpoWAABXRUJQVlA4II4WAADwfQCdASoAA8UAPm02mEikIyKhI3MpgIANiWlu/GwZqMV+3LRkpN+SP7T2v/4v8lfQ/xjehfc3kTRRPjv3C/Uf2n92vjD/M96fxk/u/tk+QX8f/oP+T3tvcP836BHsN9R/4nhd/6noT9gvYA/XT0574v8X6gv9M/xXoVfW3oJ+rv2s+A/+e/4H/vd...
[{"identifier": "A", "content": "<img src=\"https://app-content.cdn.examgoal.net/fly/@width/image/1ldt1hres/fc70c853-8425-4db6-976b-8bdc37a992bc/ffc67c40-a63c-11ed-8e98-03be028140e9/file-1ldt1hret.png?format=png\" data-orsrc=\"https://app-content.cdn.examgoal.net/image/1ldt1hres/fc70c853-8425-4db6-976b-8bdc37a992bc/ffc...
["B"]
null
<img src="https://app-content.cdn.examgoal.net/fly/@width/image/1lekox0np/25ee036a-96d1-4352-af2d-ed1ab7876f2d/c38f6540-b571-11ed-b96f-23ae160a1d3b/file-1lekox0nq.png?format=png" data-orsrc="https://app-content.cdn.examgoal.net/image/1lekox0np/25ee036a-96d1-4352-af2d-ed1ab7876f2d/c38f6540-b571-11ed-b96f-23ae160a1d3b/fi...
mcq
jee-main-2023-online-29th-january-morning-shift
1,330
1ldwuow3h
chemistry
compounds-containing-nitrogen
aliphatic-amines
<p>Given below are two statements :</p> <p><img src="data:image/png;base64,UklGRkYNAABXRUJQVlA4IDoNAACQQwCdASoAA1kAPm02mEikIyKhJBI5qIANiWlu4XVRG/Or8ef1nta/uv5I+f/iq9ofrnmpZa+rL/A9DP5b9p/1H9z8z+8f4OagXrD/WeGXsCrM+gF69fWf+J3/f8p6F/XP+++4B+rv+k8m7wBvHfYA/m39K/5H9w90z+k/ZXzlfnv+M/+H+X+AP+cf2z/xdfX0gf3cHdFlYR8C4TUW6dWacns7p...
[{"identifier": "A", "content": "Both Statement I and Statement II are true"}, {"identifier": "B", "content": "Statement I is false but Statement II is true"}, {"identifier": "C", "content": "Statement I is true but Statement II is false"}, {"identifier": "D", "content": "Both Statement I and Statement II are false"}]
["C"]
null
<p><img src="https://app-content.cdn.examgoal.net/fly/@width/image/1lenn9nry/e658c015-f37c-4a13-85dd-82be71c3cca8/aad18be0-b711-11ed-9724-4158dd188df0/file-1lenn9nrz.png?format=png" data-orsrc="https://app-content.cdn.examgoal.net/image/1lenn9nry/e658c015-f37c-4a13-85dd-82be71c3cca8/aad18be0-b711-11ed-9724-4158dd188df0...
mcq
jee-main-2023-online-24th-january-evening-shift
1,331
1ldyh2v2q
chemistry
compounds-containing-nitrogen
aliphatic-amines
<p>Increasing order of stability of the resonance structures is :</p> <p><img src="data:image/png;base64,UklGRlgXAABXRUJQVlA4IEwXAACQJgGdASoAA6sCP4G82GY2Lr+nIZE5Q/AwCWlu/FpuYZSTgu9M8bfDz3/vcb3w3/M9sPOf2a/mv8H///3/09kAv359RSm5+TfzP//6aPvsOfQzaGbQzaGbQzaGbQzaGbQzaGbQzaFu4jnDFMRzhimI5wxTEc4YpbWLDw4pLiOcMUxHSntV7yhqrgPZd7B...
[{"identifier": "A", "content": "D, C, B, A"}, {"identifier": "B", "content": "C, D, B, A"}, {"identifier": "C", "content": "C, A, B, D "}, {"identifier": "D", "content": "D, C, A, B"}]
["C"]
null
Correct stabilising order is $$C < A < B < D$$
mcq
jee-main-2023-online-24th-january-morning-shift
1,332
lgo06mre
chemistry
compounds-containing-nitrogen
aliphatic-amines
Decreasing order of reactivity towards electrophilic substitution for the following compounds is :<br/><br/> <img src="data:image/png;base64,UklGRsALAABXRUJQVlA4ILQLAACQiwCdASoAAxoBP4HA2mQ2MK0mo3H5osAwCWlu9T+FPG3Rs5lc3mP/U2s/5ntN58u1X5WKEqvPo/SdXn5kZi2LpUOplQyDjTggXtgUiswPa0AHn4wSodTKhkHGnDqZUMUe7cQawj/SUu7cBmfXbP4s1sQ...
[{"identifier": "A", "content": "$ \\mathrm{a}>\\mathrm{d}>\\mathrm{e}>\\mathrm{b}>\\mathrm{c}$"}, {"identifier": "B", "content": "$\\mathrm{d}>\\mathrm{a}>\\mathrm{e}>\\mathrm{c}>$ b"}, {"identifier": "C", "content": "$\\mathrm{c}>\\mathrm{b}>\\mathrm{a}>\\mathrm{d}>\\mathrm{e}$"}, {"identifier": "D", "content": "$\\m...
["D"]
null
Higher the electron density on Benzene Ring, Higher its Reactivity towards electrophilic substitution Reaction<br><br> <img src="https://app-content.cdn.examgoal.net/fly/@width/image/1lgrla7sj/dabe1eb5-e9f4-4308-94ba-d1f6c3873dc6/7960b430-e0d5-11ed-ac7f-75b667b9d8cc/file-1lgrla7sk.png?format=png" data-orsrc="https://ap...
mcq
jee-main-2023-online-15th-april-morning-shift
1,333
1lgq4i2lp
chemistry
compounds-containing-nitrogen
aliphatic-amines
<p>In the reaction given below</p> <p><img src="data:image/png;base64,UklGRhobAABXRUJQVlA4IA4bAAAwjgCdASoAA8QAPm02l0gkIyIhJLIp6IANiWlu5VART8Rvzh/GH9m/Hbwf/xv5R+iP439H/nf7V+4/9x5cXXvmr/J/vT+Z/sv+D99n8x3t/LLUF/J/5p/ePtc9RP+77YO2/oC+1v1D/kf3L1ZvqvNH7G+wBwWvpvsB/0f/Rerj/c+Oj6z9g39ff+X69HsC9LUh64usLTpAnH9KzE4R0dKGqN543vbm80...
[{"identifier": "A", "content": "<img src=\"https://app-content.cdn.examgoal.net/fly/@width/image/1lgqz8mft/74dfe0bf-9bf9-4b80-a308-b4a106dd96ed/443b7890-e07f-11ed-baf9-87204e3a7c88/file-1lgqz8mfu.png?format=png\" data-orsrc=\"https://app-content.cdn.examgoal.net/image/1lgqz8mft/74dfe0bf-9bf9-4b80-a308-b4a106dd96ed/443...
["C"]
null
<img src="https://app-content.cdn.examgoal.net/fly/@width/image/1lh1pt63p/d7289697-e7c7-4a55-908e-4dc1cbb54058/03751c60-e667-11ed-b7c9-957e12d0338a/file-1lh1pt63q.png?format=png" data-orsrc="https://app-content.cdn.examgoal.net/image/1lh1pt63p/d7289697-e7c7-4a55-908e-4dc1cbb54058/03751c60-e667-11ed-b7c9-957e12d0338a/fi...
mcq
jee-main-2023-online-13th-april-morning-shift
1,334
1lgvtxa6z
chemistry
compounds-containing-nitrogen
aliphatic-amines
<p>In the reaction given below:</p> <p><img src="data:image/png;base64,UklGRlYIAABXRUJQVlA4IEoIAACwbgCdASoAA/8AP4HA3GQ2Mbumo3S5E3AwCWluy2AJ/aV1eZbS+zq7Y9875t0S7xtT+EPtaOMyU4oUBYBGTtpGmQksbvWN3rG71jd6xu9Y3esbvWNhQcgwCNZiEED1Ka6Id8zu+4DxicjmtXzO77gPGJyOa1fM797izbPslYF57M7vuA8YnI5rV8zu+4DxicjmtXzO7793ONJmv8zvBca1fM7vuA8Yn...
[{"identifier": "A", "content": "<img src=\"https://app-content.cdn.examgoal.net/fly/@width/image/1lgx3jpbk/0646dfa7-754a-4da6-8980-d90be2dff781/d0c5af00-e3dc-11ed-baaf-253646c1f54e/file-1lgx3jpbl.png?format=png\" data-orsrc=\"https://app-content.cdn.examgoal.net/image/1lgx3jpbk/0646dfa7-754a-4da6-8980-d90be2dff781/d0c...
["A"]
null
<img src="https://app-content.cdn.examgoal.net/fly/@width/image/6y3zli1lixpydog/e3464748-32e4-4801-8692-49cfaaf9bb73/e083ec00-0bcc-11ee-acbf-7f9d4e788425/file-6y3zli1lixpydoh.png?format=png" data-orsrc="https://app-content.cdn.examgoal.net/image/6y3zli1lixpydog/e3464748-32e4-4801-8692-49cfaaf9bb73/e083ec00-0bcc-11ee-ac...
mcq
jee-main-2023-online-10th-april-evening-shift
1,335
1lh28tqxq
chemistry
compounds-containing-nitrogen
aliphatic-amines
<p>The major product formed in the following reaction is</p> <p><img src="data:image/png;base64,UklGRowJAABXRUJQVlA4IIAJAACwfACdASoAAwMBP4HA2WS2MCynI3HpOsAwCWlu4XHhG/Pn9IfqZbe2cXan5++hQjWq/+nFT/9yH//6qDYNsTgbYnA2xOBticDbE4G2JwNsTgbYmmY2qpQ4mdkVdXKb0oYA52tCB6hJFc3D+a7+dvtbi7UQiEQiEQiEQiERBBg8wmvSr/hTmhBUvLJZBmYr4TXY9+WY...
[{"identifier": "A", "content": "<img src=\"https://app-content.cdn.examgoal.net/fly/@width/image/1lh30to97/7ba3dfbb-74ce-4717-a880-46cd496067df/de8cadb0-e71e-11ed-ab3e-bf3b57063390/file-1lh30to98.png?format=png\" data-orsrc=\"https://app-content.cdn.examgoal.net/image/1lh30to97/7ba3dfbb-74ce-4717-a880-46cd496067df/de8...
["D"]
null
<img src="https://app-content.cdn.examgoal.net/fly/@width/image/6y3zli1llmldc59/2160c215-b42c-4484-970a-c47c5b949892/f9d0c6d0-4112-11ee-8398-91a6dbfb2303/file-6y3zli1llmldc5a.png?format=png" data-orsrc="https://app-content.cdn.examgoal.net/image/6y3zli1llmldc59/2160c215-b42c-4484-970a-c47c5b949892/f9d0c6d0-4112-11ee-83...
mcq
jee-main-2023-online-6th-april-morning-shift
1,336
lvb2abdo
chemistry
compounds-containing-nitrogen
aliphatic-amines
<p>An amine $$(\mathrm{X})$$ is prepared by ammonolysis of benzyl chloride. On adding p-toluenesulphonyl chloride to it the solution remains clear. Molar mass of the amine $$(\mathrm{X})$$ formed is _________ $$\mathrm{g} \mathrm{mol}^{-1}$$.</p> <p>(Given molar mass in $$\mathrm{gmol}^{-1} \mathrm{C}: 12, \mathrm{H}: ...
[]
null
287
<p><img src="https://app-content.cdn.examgoal.net/fly/@width/image/1lwbneomw/80cd3ff6-b58f-4bd3-ac16-0f6be1ccb3a3/b38e3b80-14d4-11ef-8218-dfd8f7832166/file-1lwbneomx.png?format=png" data-orsrc="https://app-content.cdn.examgoal.net/image/1lwbneomw/80cd3ff6-b58f-4bd3-ac16-0f6be1ccb3a3/b38e3b80-14d4-11ef-8218-dfd8f7832166...
integer
jee-main-2024-online-6th-april-evening-shift
1,338
HHZDJBjTpKAd5kdVSdnUK
chemistry
compounds-containing-nitrogen
aromatic-amines
The major product expected from the following reaction is : <br/><br/><img src="data:image/png;base64,UklGRigKAABXRUJQVlA4IBwKAACQfACdASoAA/MAP4G82GU2LqynInGposAwCWlu4W5TqmNwu4+Hq+OD/5Tc09q80AHlxWf5f/89PxuJIUhJaCJOXKlIm3tfAA9VTKLrgL1XAlmvJx5kKWgRaq+Ref1VVYB9u+TYWVVgH275MMOAt9fJyx5cU5qFMeO1uSjjXaJ7e2+9YQUDb4hGs3MLnWk7f...
[{"identifier": "A", "content": "<img src=\"https://app-content.cdn.examgoal.net/fly/@width/image/1l83n158e/546a352d-a34b-4ba3-b75f-a23c1199a4c6/c4c26de0-3547-11ed-8c5c-f3f0850e6b94/file-1l83n158f.png?format=png\" data-orsrc=\"https://app-content.cdn.examgoal.net/image/1l83n158e/546a352d-a34b-4ba3-b75f-a23c1199a4c6/c4c...
["C"]
null
<img src="https://app-content.cdn.examgoal.net/fly/@width/image/1l83n1q7w/6e34ab7e-71e4-4df5-a7e8-88df3a2789d5/d4f883c0-3547-11ed-8c5c-f3f0850e6b94/file-1l83n1q7x.png?format=png" data-orsrc="https://app-content.cdn.examgoal.net/image/1l83n1q7w/6e34ab7e-71e4-4df5-a7e8-88df3a2789d5/d4f883c0-3547-11ed-8c5c-f3f0850e6b94/fi...
mcq
jee-main-2017-online-8th-april-morning-slot
1,339
PNTwLIvaUKMvYWywfYb4Y
chemistry
compounds-containing-nitrogen
aromatic-amines
Arrange the following amines in the decreasing order of basicity : <br/><br/><img src="data:image/png;base64,UklGRtYPAABXRUJQVlA4IMoPAADQ9gCdASoAAzoCP4HA3GS2Mb+nIpOJQ/AwCWlu6//AwUn9ljRkpzeqv9160Ol/nr+J4Rv/b5/O435TfeHR1wZFf/RC//9itE56KH//9R/4p//xEl5mEc4UVLiOf1DVS70SAvxFFdDMdMAANcJKLs+oIfUEPqCHyeRaFkdzWSybIe3zp7YVDMMBbe...
[{"identifier": "A", "content": "I &gt; II &gt; III"}, {"identifier": "B", "content": "III &gt; I &gt; II"}, {"identifier": "C", "content": "III &gt; II &gt; I"}, {"identifier": "D", "content": "I &gt; III &gt; II"}]
["B"]
null
<img src="https://app-content.cdn.examgoal.net/fly/@width/image/1l8mi4zfy/8138752c-9849-480e-a4e2-2c102343462a/863768e0-3fa7-11ed-835d-8b6c97a43374/file-1l8mi4zfz.png?format=png" data-orsrc="https://app-content.cdn.examgoal.net/image/1l8mi4zfy/8138752c-9849-480e-a4e2-2c102343462a/863768e0-3fa7-11ed-835d-8b6c97a43374/fi...
mcq
jee-main-2019-online-9th-january-morning-slot
1,340
JOPBGdz1AkriyAbfNtN9f
chemistry
compounds-containing-nitrogen
aromatic-amines
The major product of the following reaction is: <img src="data:image/png;base64,UklGRqAUAABXRUJQVlA4IJQUAACwugCdASr1AmABP4G81mU2Lr+nIfGZ0/AwCWlu8pDb/QUZExu9bh8of6b1BfQP4jaFcLbRTsT4BHsv9Xt+LAB+U+aFMp+/ZdLww6AH8K9Jf/y8nn7z/6/389P/tli2wTTD27gmmHt3BNMPbuCaYe3cE0w9u4EVRH+Q7yMMNJ/8dRAh3kYYZN5GGGTeRhhk3lpyLWomBe+lJlSb80+7ZeBn...
[{"identifier": "A", "content": "<img src=\"https://res.cloudinary.com/dckxllbjy/image/upload/v1734267490/exam_images/vqqczz5mtfl0xxfqnpp8.webp\" style=\"max-width: 100%; height: auto;display: block;margin: 0 auto;\" loading=\"lazy\" alt=\"JEE Main 2019 (Online) 8th April Evening Slot Chemistry - Compounds Containing ...
["D"]
null
<picture><source media="(max-width: 320px)" srcset="https://res.cloudinary.com/dckxllbjy/image/upload/v1734267550/exam_images/yaf0iew5glsqxqvxy0ev.webp"><source media="(max-width: 500px)" srcset="https://res.cloudinary.com/dckxllbjy/image/upload/v1734267557/exam_images/iaeewpmgjqgvxnuyz7zg.webp"><source media="(max-wid...
mcq
jee-main-2019-online-8th-april-evening-slot
1,341
73PmFf1SvCQa1RSCMot9m
chemistry
compounds-containing-nitrogen
aromatic-amines
The increasing order of reactivity of the following compounds towards reaction with alkyl halides directly is <img src="data:image/png;base64,UklGRkYPAABXRUJQVlA4IDoPAABQZACdASq0AUUBPm00l0kkIqIhIhIpOIANiWlu/Eb5FoBHZ11fop/Hfx+8GP773Dfm/7t+Sf5I8B18o95h7t/L/63/0f6d86P139G/F/33/C/sBfk/8Z/r/8c/sH9y/Nb24f6r+H/y3wPqsfqB7Avcn...
[{"identifier": "A", "content": "A &lt; B &lt; C &lt; D"}, {"identifier": "B", "content": "B &lt; A &lt; C &lt; D"}, {"identifier": "C", "content": "B &lt; A &lt; D &lt; C"}, {"identifier": "D", "content": "A &lt; C &lt; D &lt; B"}]
["B"]
null
Lone pair over nitrogen will act as the reacting centre and more free nitrogen atom will be more reactive towards alkyl halide. <br><br>For compound (A), lone pair of N atom is in resonance with $$\pi $$ bond of C = O. So lone pair of N atom gets delocalised. <br><br>For compound (B), lone pair of N atom is in resonanc...
mcq
jee-main-2019-online-12th-january-morning-slot
1,342
dy0TwBKtVzcnRZv4Osw7f
chemistry
compounds-containing-nitrogen
aromatic-amines
An aromatic compound 'A' having molecular formula C<sub>7</sub>H<sub>6</sub>O<sub>2</sub> on treating with aqueous ammonia and heating forms compound 'B'. The compound 'B' on reaction with molecular bromine and potassium hydroxide provides compound 'C' having molecular formula C<sub>6</sub>H<sub>7</sub>N.. The structur...
[{"identifier": "A", "content": "<img src=\"https://res.cloudinary.com/dckxllbjy/image/upload/v1734267150/exam_images/ir1e3cbvtjgh3poenatq.webp\" style=\"max-width: 100%; height: auto;display: block;margin: 0 auto;\" loading=\"lazy\" alt=\"JEE Main 2019 (Online) 10th January Evening Slot Chemistry - Compounds Containi...
["B"]
null
<picture><source media="(max-width: 320px)" srcset="https://res.cloudinary.com/dckxllbjy/image/upload/v1734266478/exam_images/o1ulr3jzzdtluo332yrm.webp"><source media="(max-width: 500px)" srcset="https://res.cloudinary.com/dckxllbjy/image/upload/v1734265249/exam_images/pem1rwuerviwa4atfvr2.webp"><source media="(max-wid...
mcq
jee-main-2019-online-10th-january-evening-slot
1,343
NtOU10wGVAjgXloUC67k9k2k5dzwz5z
chemistry
compounds-containing-nitrogen
aromatic-amines
Consider the following reaction :<br/><br/> <img src="data:image/png;base64,UklGRqYLAABXRUJQVlA4IJoLAAAQSwCdASrKAZcAPm02mEikIyKhI5KJyIANiWlu4XJ+KxnZ13/o7/W+1n+ufkt2BnnzMZ+LdZ8+q/kH9p/5n9Z/bH75fof+U/mX7D+cPYA+RH1X+lX9m8w/6Yf0/vxagf6r+b+wF28/zv8s/dr+d/D/7v/qP4/6gdx9/wP5b+JvzP/oP0e8oTuv9M/gE/Mf/F/lv4X/Ab/v/yD/D/rV7ZflT/w/...
[{"identifier": "A", "content": "as food grade colourant\n"}, {"identifier": "B", "content": "in acid base titration as an indicatior."}, {"identifier": "C", "content": "in laboratory test for phenols"}, {"identifier": "D", "content": "in protein estimation as an alternative to ninhydrin."}]
["B"]
null
<img src="https://res.cloudinary.com/dckxllbjy/image/upload/v1734263454/exam_images/ztyuoxzb3srpsiecrta4.webp" style="max-width: 100%;height: auto;display: block;margin: 0 auto;" loading="lazy" alt="JEE Main 2020 (Online) 7th January Morning Slot Chemistry - Compounds Containing Nitrogen Question 156 English Explanatio...
mcq
jee-main-2020-online-7th-january-morning-slot
1,345
J7XhJynYKhO6Kt8U3c7k9k2k5ll7yd1
chemistry
compounds-containing-nitrogen
aromatic-amines
The decreasing order of basicity of the following amines is : <img src="data:image/png;base64,UklGRkwHAABXRUJQVlA4IEAHAABQMQCdASreAOkAPm0yl0kkIqehIXOZePANiWlu4XNBG/Nj8Yf0b8UPBn+4fkd11XjT2Z3QH+A7cL2/+I/0jzr/1H8X8U/bjkS/qH8S/k3+c88n6AfznvCcRf4H+bf1P9cPlC9o/0H8A/YD3T7br8qvWe8GGNz/Vfzn05v7j+H/y793Pa/80/87+Hf1P5G/1A/0/8e/p/...
[{"identifier": "A", "content": "(III) &gt; (II) &gt; (I) &gt; (IV)"}, {"identifier": "B", "content": "(I) &gt; (III) &gt; (IV) &gt; (II)"}, {"identifier": "C", "content": "(III) &gt; (I) &gt; (II) &gt; (IV)"}, {"identifier": "D", "content": "(II) &gt; (III) &gt; (IV) &gt; (I)"}]
["A"]
null
<img src="https://res.cloudinary.com/dckxllbjy/image/upload/v1734264887/exam_images/dmnjpe63dfdr7hxw7wyi.webp" style="max-width: 100%;height: auto;display: block;margin: 0 auto;" loading="lazy" alt="JEE Main 2020 (Online) 9th January Evening Slot Chemistry - Compounds Containing Nitrogen Question 151 English Explanatio...
mcq
jee-main-2020-online-9th-january-evening-slot
1,346
0R4b2NlAgBuAi8shPnjgy2xukf25phlh
chemistry
compounds-containing-nitrogen
aromatic-amines
The Kjeldahl method of Nitrogen estimation fails for which of the following reaction products? <img src="data:image/png;base64,UklGRrgUAABXRUJQVlA4IKwUAADwbQCdASr0Ad4APm0ylkkkIqIhIZDKeIANiWlu/C44putQzf0Y/ln5CeAf9f/rP7S+gvhP8jeynqsfzv6AdMz3Dns38q/o3/B9Kv7h/EP6T+zfor7j/47+j+wL6Z/sf8R/nP+987H+L/j39O8Emt/6NewX7l/Kv8L/Jv5n+...
[{"identifier": "A", "content": "(a), (c) and (d)"}, {"identifier": "B", "content": "(b) and (c)"}, {"identifier": "C", "content": "(c) and (d)"}, {"identifier": "D", "content": "(a) and (d)"}]
["C"]
null
<img src="https://res.cloudinary.com/dckxllbjy/image/upload/v1734263709/exam_images/vgi3jhslvnua05nkpxnl.webp" style="max-width: 100%;height: auto;display: block;margin: 0 auto;" loading="lazy" alt="JEE Main 2020 (Online) 3rd September Morning Slot Chemistry - Compounds Containing Nitrogen Question 149 English Explanat...
mcq
jee-main-2020-online-3rd-september-morning-slot
1,347
KfpWZam4pbxLkBtIVXjgy2xukfjbr0ts
chemistry
compounds-containing-nitrogen
aromatic-amines
The increasing order of basicity of the following compounds is : <img src="data:image/png;base64,UklGRo4TAABXRUJQVlA4IIITAADQZwCdASrYAbgAPm02lkikIqIhIlFKuIANiWlu/HyXgCvnZ11/ol/J/x+7/v6h+Vv9i8jHzP9c/qP7Lf1b1v/4D+G/ynrc/2b+Aeaz6ifb/4x/Kf+T/gP21+Bf8F/Ev6r5u/CL+Z9Qv1b/b/4v/Rf+X/hPTh/p/5F/KO9irl/xf4b/UfcC7tf3r+R/zH/i+WX+r/w...
[{"identifier": "A", "content": "(A) &lt; (B) &lt; (C) &lt; (D)"}, {"identifier": "B", "content": "(B) &lt; (A) &lt; (C) &lt; (D)"}, {"identifier": "C", "content": "(D) &lt; (A) &lt; (B) &lt; (C)"}, {"identifier": "D", "content": "(B) &lt; (A) &lt; (D) &lt; (C)"}]
["D"]
null
The compound which can donate lone pair more easily is more basic. <br><br>(A) N is sp<sup>2</sup> hybridized and lone pair is localised means not perticipating in resonance. <br><br>(B) Here lone pair perticipates in resonance and involved in aromaticity. So this is weakest base. <br><br>(C) N is sp<sup>3</sup> hybrid...
mcq
jee-main-2020-online-5th-september-morning-slot
1,348
YgAdeyDA3KJZzCHRk91klrf5wgq
chemistry
compounds-containing-nitrogen
aromatic-amines
In the following reaction the reason why meta-nitro product also formed is :<br/><br/> <img src="data:image/png;base64,UklGRmYWAABXRUJQVlA4IFoWAADwIAGdASrKAgADP4G+2GY2L6ynITIJSsAwCWlu8mJdiqr57Vs0vDzT/v/71/ffJpq5uEOnOny7VfnQouuCPPvnxyR+j7H9sjINxECLRq24zjS+wBQPbW+1y7kOLO/PtYZXvOrCEcz1mZGIKIZX+dagvqv2j1ic5lBdExkCnIZlpJExA...
[{"identifier": "A", "content": "\u2013NH<sub>2</sub> group is highly meta-directive"}, {"identifier": "B", "content": "\u2013NO<sub>2</sub> substitution always takes place at meta-position"}, {"identifier": "C", "content": "Formation of anilinium ion"}, {"identifier": "D", "content": "low temperature"}]
["C"]
null
Aniline on protonation forms anilinium ion, which is meta-directing. So, a considerable amount of meta product is formed alongwith o-nitroaniline and p-nitroaniline. <br><br><img src="https://app-content.cdn.examgoal.net/fly/@width/image/1kxhdusb7/b239e76d-d9b8-4577-90d3-5352880c86c2/79af2230-6310-11ec-b36d-0fa4fbfb1e3...
mcq
jee-main-2021-online-24th-february-morning-slot
1,349
ki2P1eTZ4qVHrz8OSC1klrvq55u
chemistry
compounds-containing-nitrogen
aromatic-amines
The total number of amines among the following which can be synthesized by Gabriel synthesis is __________.<br/><br/><img src="data:image/png;base64,UklGRjQRAABXRUJQVlA4ICgRAADw9wCdASpcAgADP4HA22W2MK2nIhIZEsAwCWlu4XNBG/Pn9D/7H1ZdRvLHWB4m2cHbL8x/vX1s9483/571TbK0x5L//8C0OYs7eMYyKqEzd3FnfKKXuLO+UUvcWd8kRHvNMaxrdiAbmajazyV...
[]
null
3
<p>Gabriel phthalimide synthesis is used to prepare 1<sup>o</sup> aliphatic or alicyclic amine. Hence, amine which can be synthesised by Gabriel phthalimide synthesis method contains $$\alpha $$-carbon.</p> <p>Aniline (C<sub>6</sub>H<sub>5</sub>NH<sub>2</sub>) does not contain $$\alpha $$-C cannot be prepared by Gabrie...
integer
jee-main-2021-online-24th-february-evening-slot
1,350
OQLKCrFpifIF1WUlhA1klsblv1b
chemistry
compounds-containing-nitrogen
aromatic-amines
Which of the following reaction/s will not give p-aminoazobenzene?<br/><br/><img src="data:image/png;base64,UklGRngaAABXRUJQVlA4IGwaAACQdACdASoMATcBPm00lkikIqIhJDI6sIANiWlu/HyYdl9ZMo6rwz/JPxZ8x36J/Zf7h+xvn/+L/Lf2f8ofVV/tekx+MfVn+U/WX7n/H/7t/tv7d+8Xwz/ov49+0nnH72v6/+k+wL6n/wP8g/s3/Z/xHpe/s38Y/s363+MzsX9N/ST2AvY/5V/hf4//...
[{"identifier": "A", "content": "C only "}, {"identifier": "B", "content": "A only "}, {"identifier": "C", "content": "A and B"}, {"identifier": "D", "content": "B only"}]
["D"]
null
<picture><source media="(max-width: 320px)" srcset="https://res.cloudinary.com/dckxllbjy/image/upload/v1734263767/exam_images/qvvkf6vm55s3vw0qznfb.webp"><source media="(max-width: 500px)" srcset="https://res.cloudinary.com/dckxllbjy/image/upload/v1734265116/exam_images/devnodrgzfsqo7jhi6bf.webp"><source media="(max-wid...
mcq
jee-main-2021-online-25th-february-morning-slot
1,351
kVSPeXxIAApR5Q2Lqa1kltbfgba
chemistry
compounds-containing-nitrogen
aromatic-amines
<img src="data:image/png;base64,UklGRrIRAABXRUJQVlA4IKYRAACwXgCdASr0AZUAPm00lkikIqIhIvGquIANiWlu/HyYEsgeh+ipTdBV+F/5b+PXmM/Tv69+Tf9k9R/xf51+y/kfuON8P+b/ln9h/5n9h+cf5n/mP5N/WP1s9G/fZ/Yfxj+ge4L6n/wP8l/o3/I/t3qM/3P8Z/m3g1Vj/T32BfbP5d/pv5X/Wv1k87n+D/mv9u/5P9O+CvrR/bPs5+wP9Tv9T/Hf69/0/ir/F/o3/RfOu8J/UD4Bv6H/UP8b/I/7r+wHwCf3...
[{"identifier": "A", "content": "<img src=\"https://res.cloudinary.com/dckxllbjy/image/upload/v1734265965/exam_images/zudjjmkabmgeln4jh5my.webp\" style=\"max-width: 100%;height: auto;display: block;margin: 0 auto;\" loading=\"lazy\" alt=\"JEE Main 2021 (Online) 25th February Evening Shift Chemistry - Compounds Containi...
["C"]
null
<picture><source media="(max-width: 889px)" srcset="https://res.cloudinary.com/dckxllbjy/image/upload/v1734267406/exam_images/zpudwjf8urani7fg2r5a.webp"><source media="(max-width: 320px)" srcset="https://res.cloudinary.com/dckxllbjy/image/upload/v1734267500/exam_images/tdc2gvnxlaubyk9psbd6.webp"><source media="(max-wid...
mcq
jee-main-2021-online-25th-february-evening-slot
1,352
NReYmPyrooo4Ow5dgV1klurhdy6
chemistry
compounds-containing-nitrogen
aromatic-amines
A. Phenyl methanamine<br/><br/>B. N,N-Dimethylaniline<br/><br/>C. N-Methyl aniline<br/><br/>D. Benzenamine<br/><br/>Choose the correct order of basic nature of the above amines.
[{"identifier": "A", "content": "D &gt; C &gt; B &gt; A"}, {"identifier": "B", "content": "A &gt; C &gt; B &gt; D"}, {"identifier": "C", "content": "D &gt; B &gt; C &gt; A"}, {"identifier": "D", "content": "A &gt; B &gt; C &gt; D"}]
["D"]
null
<p>In phenyl methanamine, the lone pair on nitrogen of -NH<sub>2</sub> group is localised and does not undergoes resonance. </p> <img src="https://app-content.cdn.examgoal.net/fly/@width/image/1l45tmmxy/b672242b-b509-4733-a7db-595f983265b1/44fd7460-e74a-11ec-885c-21e515ff74ea/file-1l45tmmxz.png?format=png" data-orsrc=...
mcq
jee-main-2021-online-26th-february-evening-slot
1,354
d4FaJ5Ftcr2BmdeFjo1kmm0fgi5
chemistry
compounds-containing-nitrogen
aromatic-amines
<img src="data:image/png;base64,UklGRpoWAABXRUJQVlA4II4WAABQcwCdASqUArAAPm0wlkkkIqIhItDaEIANiWlu/H+P6ZV0/xNFz/0a/h/5O+C39m/sf7O+hP4l84/XvyJ9Vv4l89fRP+N/gHdU+4/xf+s/8/06/wX8U/bT+j+h/vO/g/UF/KP4t/Xf5R/XP+Z/e/hh9t/0f8i/sfhQ55/gP9l/MPYF9pPmP96/kX9c/5f+D8/X95/hH9Y/1vuh9X/9p/KfgA/Uj/OfyL+4/779////93/8P/geLf5t7Af8//on91/kf92/...
[{"identifier": "A", "content": "B &gt; C &gt; A"}, {"identifier": "B", "content": "A &gt; C &gt; B"}, {"identifier": "C", "content": "C &gt; A &gt; B"}, {"identifier": "D", "content": "C &gt; B &gt; A"}]
["D"]
null
During nitration of aniline, meta-nitroaniline is also formed as product due to formation of NH<sub>3</sub><sup>+</sup> group which is meta directing group under strongly acidic medium. The percentage of p, m and o product is 51%, 47% and 2%, respectively. <br><br><img src="https://app-content.cdn.examgoal.net/fly/@wid...
mcq
jee-main-2021-online-18th-march-evening-shift
1,356
1krq53kp5
chemistry
compounds-containing-nitrogen
aromatic-amines
The correct structure of Rhumann's Purple, the compound formed in the reaction of ninhydrin with proteins is :
[{"identifier": "A", "content": "<img src=\"https://res.cloudinary.com/dckxllbjy/image/upload/v1734265593/exam_images/dpx3lrvb3a3cmkb4alc9.webp\" style=\"max-width: 100%;height: auto;display: block;margin: 0 auto;\" loading=\"lazy\" alt=\"JEE Main 2021 (Online) 20th July Morning Shift Chemistry - Compounds Containing N...
["D"]
null
<p>Rhumann’s purple is confirmatory test for the presence of protein. The correct structure of Rhumann’s Purple, the compound formed in the reaction of ninhydrin with proteins is an follows</p> <img src="https://app-content.cdn.examgoal.net/fly/@width/image/1l2o3010z/3c9941ba-0050-4d55-b324-d06026071c87/987b8830-c9bc-1...
mcq
jee-main-2021-online-20th-july-morning-shift
1,357