GKFix MCQ Question

Which equation relates standard Gibbs free energy change to the equilibrium constant Kp?

• A. ∆rG⁰ = RT ln Kp
• B. ∆rG⁰ = –RT ln Kp
• C. ∆rG⁰ = R/T ln Kp
• D. ∆rG⁰ = –R ln Kp / T