MEDIUMMCQ SINGLEIChO (Chemistry Olympiad)Physical ChemistryThermodynamics and ThermochemistryPrevious Year Questions
In which case change in entropy is negative? (NEET 2019)
A.2H(g) → H₂(g)✓ Correct
B.Evaporation of water
C.Expansion of a gas at constant temperature
D.Sublimation of solid to gas
Explanation
If ∆ng < 0 then ∆S < 0
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