Question Detail

CHM 101 CHM 101 Past Questions Objective Question

Question

The rate-determining step in a reaction mechanism is:
Options
A The fastest elementary step
B The last step of the mechanism
C The step with the least energy
D The slowest elementary step
Correct Answer
Correct Answer

Option D is the correct answer.

Detailed Explanation

The rate-determining step is the slowest step in a reaction mechanism. It acts as a bottleneck and controls the overall rate of the reaction.

Hint

Think of a multi-step process. Which step limits the overall speed?

Question Info