Question

What is the necessary condition for spontaneity of a process?

• A. $\Delta S>O$
• B. $\Delta E<O$
• C. $\Delta H<O$
• D. $\Delta G<O$

Answer 1

The correct option is A $\Delta S>O$

For the reaction to be spontaneous, the first necessary condition is the entropy must be positive i.e. $\Delta S>0$