Chemical Kinetics and Nuclear Chemistry PYQs - Last 10 Years
JEE Advanced / Chemistry / Physical Chemistry / 15 recent questions
ChemistryPhysical Chemistry2017-2026
Practice 15 JEE Advanced Chemistry questions from Chemical Kinetics and Nuclear Chemistry. Use the year-wise and type-wise breakdown to prioritize recent PYQs, then continue into the question list below.
15
PYQs on Page
Chemistry / Physical Chemistry
2017-2026
Year Range
Based on indexed question metadata
6
Last 5 Years
2022-2026
15
Last 10 Years
2017-2026
Recent Year Trend
2020
2021
2022
2024
2025
2026Latest year
20202 max PYQs/year2026
Question Types
15PYQs
INTEGER46.7%
MCQM40%
MCQ13.3%
Difficulty Mix
#1 Medium12
#2 Hard2
#3 Easy1
6 in last 5 years15 in last 10 years
Last 10 Years Chemical Kinetics and Nuclear Chemistry Questions
Showing 15 of 15 filtered questions.
1Chemical Kinetics And Nuclear Chemistry
For a first-order reaction $\mathbf{R} \rightarrow \mathbf{P}$ at a given temperature, $k$ is the rate constant. For this reaction, at the given temperature, the concentrations of $\mathbf{R}$ and $\mathbf{P}$ at a time $t$ are $[\mathbf{R}...
MCQM+4 / -12026
2Chemical Kinetics And Nuclear Chemistry
For a reversible reaction $R \rightleftharpoons P$, at constant temperature, both the forward and the backward reactions are first order elementary reactions with rate constants $k_{{f}}$ and $k_{{b}}$, respectively. At time zero, the conce...
MCQ+3 / -12026
3Chemical Kinetics And Nuclear Chemistry
Consider a reaction $A+R \rightarrow$ Product. The rate of this reaction is measured to be $k[A][R]$. At the start of the reaction, the concentration of $R,[R]_0$, is 10-times the concentration of $A,[A]_0$. The reaction can be considered t...
INTEGER+4 / -02025
4Chemical Kinetics And Nuclear Chemistry
A sample initially contains only U-238 isotope of uranium. With time, some of the U-238 radioactively decays into $\mathrm{Pb}-206$ while the rest of it remains undisintegrated.
When the age of the sample is $\mathbf{P} \times 10^8$ years,...
When the age of the sample is $\mathbf{P} \times 10^8$ years,...
INTEGER+4 / -02024
5Chemical Kinetics And Nuclear Chemistry
Consider the following reaction,
\(2 \mathrm{H}_2(\mathrm{~g})+2 \mathrm{NO}(\mathrm{g}) \rightarrow \mathrm{N}_2(\mathrm{~g})+2 \mathrm{H}_2 \mathrm{O}(\mathrm{g})\)
which follows the mechanism given below :
$$ \begin{array}{ll} 2 \ma...
\(2 \mathrm{H}_2(\mathrm{~g})+2 \mathrm{NO}(\mathrm{g}) \rightarrow \mathrm{N}_2(\mathrm{~g})+2 \mathrm{H}_2 \mathrm{O}(\mathrm{g})\)
which follows the mechanism given below :
$$ \begin{array}{ll} 2 \ma...
INTEGER+4 / -02024
6Chemical Kinetics And Nuclear Chemistry
Match the rate expressions in LIST-I for the decomposition of $X$ with the corresponding profiles provided in LIST-II. $X_{\mathrm{s}}$ and $\mathrm{k}$ are constants having appropriate units.
.tg {border-collapse:collapse;border-spacing:...
.tg {border-collapse:collapse;border-spacing:...
MCQ+3 / -12022
7Chemical Kinetics And Nuclear Chemistry
For the following reaction,
\(2X + Y\buildrel k \over \longrightarrow P\) the rate of reaction is \({{d[P]} \over {dt}} = k[X]\). Two moles of X are mixed with one mole of Y to make 1.0 L of solution. At 50 s, 0.5 mole of Y is left in the ...
\(2X + Y\buildrel k \over \longrightarrow P\) the rate of reaction is \({{d[P]} \over {dt}} = k[X]\). Two moles of X are mixed with one mole of Y to make 1.0 L of solution. At 50 s, 0.5 mole of Y is left in the ...
MCQM+4 / -22021
8Chemical Kinetics And Nuclear Chemistry
Which of the following plots is(are) correct for the given reaction?([P]0 is the initial concentration of P)
MCQM+4 / -22020
9Chemical Kinetics And Nuclear Chemistry
\(_{92}^{238}U\) is known to undergo radioactive decay to form \(_{82}^{206}Pb\) by emitting alpha and beta particles. A rock initially contained 68 \(\times\) 10\(-\)6 g of \(_{92}^{238}U\). If the number of alpha particles that it would...
INTEGER+4 / -02020
10Chemical Kinetics And Nuclear Chemistry
The decomposition reaction\(2{N_2}{O_5}(g)\buildrel \Delta \over
\longrightarrow 2{N_2}{O_4}(g) + {O_2}(g)\) is started in a closed cylinder under isothermal isochoric condition at an initial pressure of 1 atm. After Y \(\times\) 103 s,...
INTEGER+3 / -02019
11Chemical Kinetics And Nuclear Chemistry
Consider the kinetic data given in the following table for the reaction A + B + C \(\to\) Product. The rate of the reaction for [A] = 0.15 mol dm-3, [B] = 0.25 mol dm-3 and [C] = 0.15 mol dm-3 is found to be Y \(\times\) 10-5 mol dm-3s-...
INTEGER+3 / -02019
12Chemical Kinetics And Nuclear Chemistry
In the decay sequence. x1, x2, x3 and x4 are particles/radiation emitted by the respective isotopes. The correct option(s) is(are)
MCQM+4 / -12019
13Chemical Kinetics And Nuclear Chemistry
Consider the following reversible reaction, \(A\left( g \right) + B\left( g \right) \to AB\left( g \right).\)
The activation energy of the backward reaction exceeds that of the forward reaction by \(2RT\) (in \(J\,mo{l^{ - 1}}\)). If the ...
The activation energy of the backward reaction exceeds that of the forward reaction by \(2RT\) (in \(J\,mo{l^{ - 1}}\)). If the ...
INTEGER+3 / -02018
14Chemical Kinetics And Nuclear Chemistry
For a first order reaction \(A\left( g \right) \to 2B\left( g \right) + C\left( g \right)\) at constant volume and \(300K,\) the total pressure at the beginning \((t=0)\) and at time \(t\) are \({P_0}\) and \({P_1},\) respectively. Initiall...
MCQM+4 / -12018
15Chemical Kinetics And Nuclear Chemistry
In a bimolecular reaction, the steric factor \(P\) was experimentally determined to be \(4.5.\) The correct option(s) among the following is (are)
MCQM+4 / -12017