MCQ
When enthalpy and entropy change for a chemical reaction are $ - 2.5\, \times {10^3}\,cal$ and $7.4\,cal$ ${\deg ^{ - 1}}$ respectively. Predict the reaction at $298\,K$ is
- ✓Spontaneous
- BReversible
- CIrreversible
- DNon-spontaneous
✓
Answer
Correct option: A.
Spontaneous
(a) When $\Delta H$ $= -ve, $ $\Delta S$ $= +ve$ and $\Delta G$ $= -ve $ than reaction is spontaneous .
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