# Problem: Which of the following reactions will have the largest equilibrium constant (K) at 298 K? A) CaCO3(s) → CaO(s) + CO2(g)                            ΔG° = +131.1 kJ B) Fe2O3(s) + 3 CO(g) → 2 Fe(s) + 3 CO2(g)          ΔG° = -28.0 kJ C) 3 O2(g) →  2 O3(g)                                             ΔG° = + 326 kJ D) 2 Hg(g) + O2(g) →  2 HgO(s)                             ΔG° = -180.8 kJ E) It is not possible to determine without more information.

###### Problem Details

Which of the following reactions will have the largest equilibrium constant (K) at 298 K?

A) CaCO3(s) → CaO(s) + CO2(g)                            ΔG° = +131.1 kJ

B) Fe2O3(s) + 3 CO(g) → 2 Fe(s) + 3 CO2(g)          ΔG° = -28.0 kJ

C) 3 O2(g) →  2 O3(g)                                             ΔG° = + 326 kJ

D) 2 Hg(g) + O2(g) →  2 HgO(s)                             ΔG° = -180.8 kJ

E) It is not possible to determine without more information.

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