Statement: In the case of an ideal gas the changes in Gibbs and Helmholtz free energies are equal to each other (`DeltaG=DeltaA`) for isothermal reversible process.
Explanation: There is no change in internal energies and enthalpies for ideal gas at constant temperature.
A. Statement-1 is true, Statement-2, is true, Statement -2 is a correct explanation for statement-1
B. Statement-1 is true, Statement-2, is true, Statement -2 is not a correct explanation for statement-1
C. Statement-1 is true, Statement-2 is false
D. Statement-1 is false, Statement-2 is true