Question

The rate of change of concentration of any of the reactants or any of the products at a particular instant is called ______ rate of the reaction.

Answer 1

The rate of change of concentration of any of the reactants or any of the products at a particular instant is called instantaneous rate of the reaction.

Explanation:

The average rate is defined over a time interval. The instantaneous rate is the rate of change of concentration of reactants or products at a particular instant of time.