Apentix/AP Chemistry/Unit 5: Kinetics/Question

AP Chemistrymediummcq1 pt

Which statement about the rate-determining step is correct?

A.It has the highest activation energy of the mechanism

B.It always involves the most molecules

C.It appears first in the mechanism

D.It has the lowest activation energy

Explanation

Core Concept

The slowest step owns the tallest barrier. All steps upstream are fast, so the overall rate is set by this bottleneck.

Correct Answer

AIt has the highest activation energy of the mechanism

More Unit 5: Kinetics practice questions

Try a random question →

Practice more AP Chemistry questions with full explanations

Practice Unit 5: Kinetics Questions →