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← Bihar Board Class 12 PYQ
Chemical Kinetics
Bihar Board Class 12 · Chemistry · 33 past questions
Topic
Rate law, order and molecularity
10
First order reactions
6
Temperature effect, Arrhenius equation and activation energy
6
Rate of reaction and factors affecting it
5
Rate constant and its units
4
Zero order reactions
2
Level
Easy
4
Moderate
2
Year
2026
1
2025
0
2024
1
2023
1
2022
1
2021
1
2018
2
2017
0
2016
1
2015
0
6 of 33 ·
show all
Q1
2026 Set A
2024 Set D
2022 Set E
Which of the following is not a first order reaction ?
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Q15
2023 Set F
The half life of a first order reaction
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Q22
2021 Set A
The rate constant for first order reaction is 0.0005 min$^{-1}$. Calculate its half life.
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Q24
2018
Half life period of first order reaction is 10 minutes. Calculates the rate constant of the reaction.
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Q25
2018
Describe the kinetics of a first order reaction. Why a first order reaction is never completed?
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Q29
2016
$t_{1/2}$ for first order reaction is
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