Chemical Kinetics PYQs - Last 5 Years
WB JEE / Chemistry / Physical Chemistry / 8 recent questions
ChemistryPhysical Chemistry2022-2026
Practice 8 WB JEE Chemistry questions from Chemical Kinetics. Use the year-wise and type-wise breakdown to prioritize recent PYQs, then continue into the question list below.
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Chemistry / Physical Chemistry
2022-2026
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2022-2026
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2017-2026
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Last 5 Years Chemical Kinetics Questions
Showing 8 of 8 filtered questions.
1Chemical Kinetics
In a first order reaction，the concentration of reactant decreases from 400 moles lit $^{-1}$ to 50 moles lit ${ }^{-1}$ in $7 \cdot 5 \times 10^3 \mathrm{~s}$ ．The rate constant of the reaction is（approximately）
MCQ+1 / -0.252026
2Chemical Kinetics
An organic compound undergoes first order decomposition．The time taken for its decomposition to $\frac{1}{8}$ th and $\frac{1}{10}$ th of its initial concentration are $t_{1 / 8}$ and $t_{1 / 10}$ respectively．The value of $\left[\frac{t_{1...
MCQ+2 / -0.52026
3Chemical Kinetics
An egg takes 4.0 minutes to boil at sea level where the boiling point of water is $T_1 K$, where as it takes 8.0 minutes to boil on a mountain top where the boiling point of water is $\mathrm{T}_2 \mathrm{~K}$. The activation energy for the...
MCQ+2 / -0.52025
4Chemical Kinetics
For a chemical reaction, half-life period $\left(t_{\frac{1}{2}}\right)$ is 10 minutes. How much reactant will be left after 20 minutes if one starts with 100 moles of reactant and the order of the reaction be (i) zero, (ii) one and (iii) t...
MCQ+1 / -0.252025
5Chemical Kinetics
For a first order reaction with rate constant \(\mathrm{k}\), the slope of the plot of \(\log\) (reactant concentration) against time is
MCQ+1 / -0.252024
6Chemical Kinetics
For the reaction A + B \(\to\) C, we have the following data:
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MCQ+1 / -0.252023
7Chemical Kinetics
Which of the following would give a linear plot?
(k is the rate constant of an elementary reaction and T is temp. in absolute scale)
(k is the rate constant of an elementary reaction and T is temp. in absolute scale)
MCQ+1 / -0.252023
8Chemical Kinetics
Which of the statements are incorrect?
MCQM+2 / -02022