MCQ
Which one of the following has $\Delta S^0 g$ greater than zero?
- ✓$\ce{NaNO3_{(s)} ⇌ Na^+_{( aq)} + NO^-_{3(aq)}}$
- B$\ce{N2_{(g)} + 3H2_{(g)} ⇌ 2NH3_{(g)}}$
- C$\ce{NaCl_{(aq)} ⇌ NaCl_{(s)}}$
- D$\ce{CaO_{(s)} + CO2_{(g)} ⇌ CaCO3_{(s)}}$
✓
Answer
Correct option: A.
$\ce{NaNO3_{(s)} ⇌ Na^+_{( aq)} + NO^-_{3(aq)}}$
A
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