Question Detail

CHM 101 CHM 101 Past Questions Objective Question

Question

Which of these correctly defines the activation energy of a reaction?
Options
A Energy required to start any reaction
B Energy needed to break all bonds in the reactants
C Minimum energy needed for a reaction to occur
Correct Answer
D Total energy released by the reaction
Correct Answer

Option C is the correct answer.

Detailed Explanation

Activation energy is the minimum amount of energy that colliding molecules must possess for a reaction to occur. It is the energy barrier that must be overcome for reactants to be converted into products.

Hint

It is the energy barrier between reactants and products on a reaction profile diagram.

Question Info