For which of the following reactions will $\Delta S$ be maximum?
- A$Ca_{(s)} + \frac{1}{2} O_{2(g)} \to CaO_{(s)}$
- B$CaCO_{3(s)} \to CaO_{(s)} + CO_{2(g)}$
- C$C_{(s)} + O_{2(g)} \to CO_{2(g)}$
- D$N_{2(g)} + O_{2(g)} \to 2NO_{(g)}$
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In which of the following processes is the maximum increase in entropy observed?
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