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← CBSE Class 12 PYQ
Chemical Kinetics
CBSE Class 12 · Chemistry · 39 past questions
Topic
Order and molecularity
8
Integrated rate equations and half-life
6
Rate of reaction and rate law
6
Catalysis and factors affecting rate
4
Temperature dependence and Arrhenius equation
2
Case-based and data-based questions
1
Level
Easy
6
Moderate
4
Year
2026
2
2025
2
2024
1
2023
1
2022
0
6 of 39 ·
show all
Q4
2026
The concentration of the reactant is reduced from 0.6 mol L$^{-1}$ to 0.2 mol L$^{-1}$ in 5 minutes in a…
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Q5
2026
Which of the following curve represents the first order reaction ?
(with a figure)
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Q16
2025
For question number 13 to 16, two statements are given – one labelled as Assertion (A) and the other labelled…
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Q17
2025
The rate constant for a zero order reaction A $\to$ P is 0.0030 mol L$^{-1}$s$^{-1}$. How long will it take…
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Q21
2024
A first order reaction has a rate constant 1.25 × 10⁻³ s⁻¹. How long will 5 g of this reactant take to reduce…
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Q29
2023
The slope in the plot of $\ln$[R] vs. time for a first order reaction is
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