Home Chemistry Chemical Kinetics General For a reversible reaction, A + B C+ D, the …
Chemistry Chemical Kinetics General Single Correct MCQ
Published on: August 14, 2026

For a reversible reaction, A + B C+ D, the graph for rate of reaction with time is given below.

Mark the terms (p), (q) and (r).

A
(p) – rate of backward reaction (q) – rate of forward reaction (r) – equilibrium
B
(p) – rate of forward reaction (q) – rate of backward reaction (r) – equilibrium
C
(p) – concentration of product (q) – concentration of reactant (r) – rate of reaction
D
(p) – instantaneous rate of reaction (q) – variation of rate (r) – average of rate of reaction

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The correct answer is:
B

Rate of forward reaction decrease and rate of backward reaction increase with passage of time. At equilibrium both the rates become equal.

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