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Thermodynamics question

2019 · Q107
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Thermodynamics question

2019 · Q107

NEETChemistryThermodynamicsMCQ+4 / −1
In which case change in entropy is negative?
  1. A
    Sublimation of solid to gas
  2. B
    2H(g) →\to→ H2(g)
  3. C
    Evaporation of water
  4. D
    Expansion of a gas at temperature
View written solutionFree

Correct answer: B

2H(g) →\to→ H2(g)

Due to bond formation, entropy decreases.

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