Question

Reaction rates can be explained using the concepts of collision theory and __________. 

a. Arrhenius equation

b. Chemical kinetics

c. activation energy

d. progress of reaction

A reaction mechanism may occur in two or more elementary steps. The slowest among these steps is the _____________. 

a. reaction intermediate step

b. overall reaction

c. rate - determining step

d. reaction rate

Answer 1

1. a. Arrhenius equation
2. c. rate - determining step