40.Consider the following reactions, which one of the following will have the smallest equilibriumconstant at 298 K?
(A) CaO(s) + CO2(g)→CaCO3(s) △G°=-131.1kJ
(B) 2Hg(g) + O2(g)→ 2HgO(s) △G°=-180.8 kJ
(C) 3O2(g)→2O3(g) △G°= +326 kJ
(D) 2H2O(aq)→2H2(s) + O2(g) △G°=+ 475.4 kJ
(E) More information is needed to determine.