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← CBSE Class 12 PYQ
Chemical Kinetics
CBSE Class 12 · Chemistry · 39 past questions
Topic
Rate of reaction and rate law
3
Catalysis and factors affecting rate
2
Integrated rate equations and half-life
2
Temperature dependence and Arrhenius equation
2
Order and molecularity
1
Case-based and data-based questions
0
Level
Easy
1
Moderate
1
Year
2026
4
2025
2
2024
2
2023
1
2022
1
2 of 39 ·
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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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Q25
2024
A first-order reaction is 25% complete in 40 minutes. Calculate the value of rate constant. In what time will…
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