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. Assertion (A) : Spontaneous process is an irrerversible process and may be reversed by some external agency. Reason (R ) : Decrease in enthalpyisa 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. Assertion (A) : Spontaneous process is an irrerversible process and may be reversed by some external agency. Reason (R ) : Decrease in enthalpyisa contributory factor for spontaneity.
Answer» Solution :Correct EXPLANATION. SPONTANEOUS processes are accompaniedby decrease in ENERGY and INCREASEIN randomness.