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5. Thermodynamics and thermochemistry — Chemistry STD 11 Science — Question

Gujarat BoardEnglish MediumSTD 11 ScienceChemistry5. Thermodynamics and thermochemistry1 Mark
MCQ
Which of the following is correct when decrease in entropy has been taken place?
  • A
    Temperature of a crystalline solid is raised from $0\, K$ to $115\, K.$
  • ✓
    Crystallisation of a liquid into a solid
  • C
    $2NaHCO_3(s) \to Na_2CO_3(s) + CO_2(g) + H_2O(g)$
  • D
    $H_2(g) \to 2H(g)$
✓

Answer

Correct option: B.
Crystallisation of a liquid into a solid
b

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