The heat capacity of one mole an ideal is found to be CV = 3R (1 + aRT)/2 where a is a constant. The equation obeyed by this gas during a reversible adiabatic expansion is -
(A) TV3/2 e aRT= constant
(B) TV3/2e3aRT/ 2= constant
(C) TV3 /2 = constant
(D) TV3/2 e2aRT/ 3 = constant