In which of the following reactions,standard reaction entropy change (ΔS∘) is positive and standard Gibb,s energy change (ΔG∘) decreases sharply with increasing temperature?
A. C( graphite) + 1/2O₂ (g) → CO(g)
B. CO (g) + 1/2O₂(g) → CO(g)
C. CO (g) + 1/2O₂ (g) → CO₂ (g)
D. Mg (s) + 1/2O₂ (g) → MgO (s)