AIIMS2003Chemistry-Thermodynamics
AIIMS 2003 Chemistry Entropy MCQ Question
Type: MCQ-conceptual-Medium-Class 11
Which one of the following has ΔS° greater than zero?
A
CaO (s) + CO₂ (g) → CaCO₃ (s)
B
NaCl (aq) → NaCl (s)
C
NaNO₃ (s) → Na⁺ (aq) + NO₃⁻ (aq)
D
N₂ (g) + 3H₂ (g) → 2NH₃ (g)
Correct Answer
Option C
Detailed Explanation
Here, the number of product species is greater than the number of reactant species.
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