ThermodynamicsHard

Question

ΔS will be highest for which of the following reaction?

Options

A.Ca(s) + 1/2 O2(g) → CaO(s)
B.CaCO3(s) → CaO(s) + CO2(g)
C.C(s) + O2(g) → CO2(g)
D.N2(g) + O2(g) → 2NO(g)

Solution

Entropy increases with increase in mole of gases.

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