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Question 720011
JEE Chemistry · Hard

Chemical Kinetics: Mechanism MCQ

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MechanismHardQuestion 720011

Question

The rate-determining step in a multi-step mechanism is the:
  1. A
    Slowest step
    Correct
  2. B
    Fastest step
  3. C
    Last step
  4. D
    First step always

Correct answer

Slowest step

Explanation

The rate-determining step (RDS) is the slowest step in the mechanism. It acts as the bottleneck — the overall reaction rate cannot exceed the rate of the RDS.

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