In the following questions a statement of Assertion (A) followed by a statement of Reason (R) is given. Choose the correct option out of the choices given below each question. Assertion (A) : Spontaneous process is an irreversible process and may be reversed by some external agency. Reason (R) : Decrease in enthalpy is a contributory factor for spontaneity.

In the following questions a statement of Assertion (A) followed by a

1.	In the following questions a statement of Assertion (A) followed by a statement of Reason (R) is given. Choose the correct option out of the choices given below each question. Assertion (A) : Spontaneous process is an irreversible process and may be reversed by some external agency. Reason (R) : Decrease in enthalpy is a contributory factor for spontaneity.
Answer» Both A and R are TRUE and R is the correct explanation of A. Both A and R are true but R is not the correct explanation of A. A is true but R is FALSE. A is false but R is true. Solution :Both ASSERTION and reason are true but reason is not the correct explanation of assertion. Spontaneous processes are accompanied by decrease in energy and increase in randomness.