GKFix MCQ Question

For the reaction 3/2 O₂(g) → O₃(g), what is the value of ∆rG⁰ at 298 K if Kp = 2.47 × 10⁻²⁹?

• A. –163 kJ mol⁻¹
• B. 81.5 kJ mol⁻¹
• C. 163 kJ mol⁻¹
• D. –81.5 kJ mol⁻¹