Apentix/AP Chemistry/Unit 9: Applications of Thermodynamics/Question

AP Chemistrymediummcq1 pt

A thermodynamically favored reaction may still be slow. Which concept explains this?

A.Kinetic control — a high activation energy blocks the pathway

B.ΔG° is actually positive

C.Equilibrium forbids fast reactions

D.Catalysts slow reactions

Explanation

Core Concept

ΔG° sets direction; Ea sets speed. Diamond's conversion to graphite is favored yet takes eons because the barrier is enormous.

Correct Answer

AKinetic control — a high activation energy blocks the pathway

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