Significance of a and b in vander - Waal's equations

Options

A. a and b both show the correction in volume of gas
B. a and b both show cohesive force between molecules
C. a shows cohesive force while b shows corrections in volume
D. a shows correction in volume while b shows cohesive force

Answer

C

Explanation

Vander- waals equation ` (V-b) (P + (a)/(V^(2)) ) = RT `
Here b shows correction in value and a show cohesive