Ncert Exercises & Solutions

Select the correct option based on statements below:

Assertion (A):	Spontaneous process is an irreversible process and may be reversed by some external agency.
Reason (R):	A decrease in enthalpy is a contributing factor to spontaneity.

1.	Both (A) and (R) are True and (R) is the correct explanation of (A).
2.	Both (A) and (R) are True but (R) is not the correct explanation of (A).
3.	(A) is True but (R) is False.
4.	(A) is False but (R) is True.