Home Chemistry Chemical Kinetics General The activation energy in a chemical reaction…
Chemistry Chemical Kinetics General Single Correct MCQ
Published on: August 12, 2026

The activation energy in a chemical reaction is defined as

A
The differences in energies of reactants and products
B
The sum of energies of reactants and products
C
The difference in energy of intermediate complex with the average energy of reactant and products
D
The difference in energy in energy of intermediate complex and the average energy of reactants.

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The correct answer is:
D

Activation energy is the difference in energy of intermediate activated complex and the average energy of reactants.

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