GKFix MCQ Question

What is the unit of the gas constant R when used in the ∆G⁰ = -RT ln(K) equation?

• A. J K⁻¹ mol⁻¹
• B. L atm mol⁻¹ K⁻¹
• C. kJ mol⁻¹
• D. cal K⁻¹ mol⁻¹