chapter 6. CHEMICAL KINETICS class 12 chemistry textbook solution

1. Choose the most correct option.

vi. What is the half life of a first order reaction if time required to decrease concentration of reactant from 0.8 M to
0.2 M is 12 h?
a. 12 h

b. 3 h
c. 1.5 h

d. 6 h

Answer:- 

 What is the half life of a first order reaction if time required to decrease concentration of reactant from 0.8 M to 0.2 M  is 6 h

chapter 6. CHEMICAL KINETICS class 12 chemistry textbook solution page 135