Which factor, when reduced, causes the rate constant of a chemical reaction to decrease?

Chemical Reaction MCQs for PPSC, FPSC, NTS, and Pakistan government job tests. Select an option below, then read the explanation.

PPSCFPSCNTSPakistan govt jobs
Subject
Chemical Reactionchemical-engineering › chemical-reaction
Published
23 Feb 2019
Last updated
28 May 2026

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Explanation

The rate constant of a chemical reaction is directly influenced by temperature. Lowering the temperature reduces the rate constant, while changes in pressure, reactant concentration, or reaction duration do not affect the rate constant itself.

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