A process will be spontaneous at all temperatures if:
- (A) and
- (B) and ✓ Correct
- (C) and
- (D) and
Answer: (B)
Solution
Spontaneity needs , with . If the reaction is exothermic () and also raises entropy (), both terms push negative, so it is spontaneous at every temperature.
JEE Main · 2019 · 10 Apr 2019 · Shift 1 · Single correct option