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Question
In many reactions, the reaction proceeds in a sequence of steps. The overall rate of such reactions is determined by ______.
Options
slowest step
fastest step
molecularity of the steps
order of different steps
MCQ
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Solution
In many reactions, the reaction proceeds in a sequence of steps. The overall rate of such reactions is determined by slowest step.
Explanation:
In reactions that proceed through multiple steps, one step is usually slower than the others. This slowest step acts as a bottleneck and determines the overall rate of the reaction. It is known as the rate-determining step (RDS).
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