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Question

Chemistry Question on Gibbs Free Energy

The correct relationship between free energy change in a reaction and the corresponding equilibrium constant, KcK_c is

A

ΔG=RT lnKc\Delta G=RT\,lnK_{c}

B

−ΔG=RT lnKc-\Delta G=RT\,lnK_{c}

C

ΔG∘=RT lnKc\Delta G^{\circ}=RT\,lnK_{c}

D

−ΔG∘=RT lnKc-\Delta G^{\circ}=RT\,lnK_{c}

Answer

−ΔG∘=RT lnKc-\Delta G^{\circ}=RT\,lnK_{c}

Explanation

Solution

−ΔG∘=RT ln Kc-\Delta G^{\circ}=RT\,ln\,K_{c}