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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.k²
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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