Question

Define (i) Rate Constant
(ii) Energy of Activation of a reaction

Answer 1

1) Rate constant :

The rate constant is the proportionality constant in the equation that expresses the relationship between the rate of a chemical reaction and the concentrations of the reacting substances.

2) Energy of activation of a reaction :

The minimum amount of energy that is required to activate atoms or molecules to a condition in which they can undergo chemical transformation is called energy of activation.