JAMB Chemistry 2017 Objective — Question 3

Question 3 of 40 from the Joint Admissions and Matriculation Board (JAMB) Chemistry 2017 Objective paper, with the correct answer and a full explanation.

The factor that lowers the activation energy of a chemical reaction is

A. A. pressure
B. B. temperature
C. C. catalystCorrect
D. D. concentration

Explanation

A (positive) catalyst increases reaction rate by lowering the activation energy required.

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