Question

Which statement about activation energy is true? a. It is not affected by catalysts. b. It has no effect on the rate of the reaction. c. It is the energy required to break existing chemical bonds. d. It is the same for all reactants.

Answer 1

c. the energry required to break existing chemical bonds

Answer 2

Activation energy is the term coined by the Swedish scientist Svante Arrhenius on 1889. The term is used to refer or describe the minimum energy which must be available for the system of chemicals to have a chemical reaction. Hence, the answer to the question is letter "C. It is the energy required to break existing chemical bonds".