(A) Activation energy $(E_a)$ is defined as the minimum extra amount of energy absorbed by the reactant molecules so that their total energy becomes e

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The energy added to the molecules so that their energy becomes equal to the threshold energy.

(A) Activation energy $(E_a)$ is defined as the minimum extra amount of energy absorbed by the reactant molecules so that their total energy becomes equal to the threshold energy $(E_T)$.Mathematically,$E_a = E_T - E_{\text{average}}$.

Class 12 Chemistry Chemical Kinetics Collision theory, Energy of activation and Arrhenius equation

Easy

The activation energy is ..........

A
The energy added to the molecules so that their energy becomes equal to the threshold energy.
B
The energy required for molecules to react.
C
The energy possessed by molecules so that they can undergo successful collisions.
D
The average kinetic energy of the molecules.