Home Chemistry Chemical Kinetics Rate law and Rate Constant A first order reaction requires 30 minutes f…
Chemistry Chemical Kinetics Rate law and Rate Constant Single Correct MCQ
Published on: August 12, 2026

A first order reaction requires 30 minutes for 50% completion. The time required to complete the reaction by 75% will be

A
45 minutes
B
15 minutes
C
60 minutes
D
None of these

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The correct answer is:
C

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