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Class 12 Chemistry — Chapter 3: Chemical Kinetics

96 practice questions · 32 Easy · 32 Medium · 32 Hard

Free NCERT-aligned multiple-choice practice for Class 12 Chemistry, Chapter 3 (Chemical Kinetics). Practise timed Easy, Medium and Hard quizzes with instant explanations — built for CBSE Board exams, JEE Main and NEET UG. Here are a few sample questions; sign in free to practise all 96.

Sample questions

Q1Easy

Rate of reaction is:

A.Change in concentration per unit time✓ correct
B.Total mass
C.Volume change
D.Temperature change
Why

−d[R]/dt or d[P]/dt.

Q2Medium

Half-life of first-order reaction:

A.0.693/k (independent of [A]₀)✓ correct
B.1/k[A]₀
C.k·[A]₀
D.
Why

Constant t½.

Q3Hard

For zero-order reaction, rate is:

A.Independent of concentration✓ correct
B.Square of concentration
C.Inverse
D.Same as first order
Why

Rate = k.

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