MCQ
In which case change in entropy is negative ?
- AEvaporation of water
- BExpansion of a gas at constant temperature
- CSublimation of solid to gas
- ✓$2H(g)\rightarrow H_2(g)$
✓
Answer
Correct option: D.
$2H(g)\rightarrow H_2(g)$
d
$2H(g)\rightarrow H_2(g)$
$2H(g)\rightarrow H_2(g)$
Due to bond formation, entropy decreases
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