GKFix MCQ Question

What is the correct expression for Kp for the reaction: CH₄(g) + 2S₂(g) ⇌ CS₂(g) + 2H₂S(g)?

• A. Kp = (P_CS₂ × P_H₂S²) / (P_CH₄ × P_S₂²)
• B. Kp = (P_CH₄ × P_S₂²) / (P_CS₂ × P_H₂S²)
• C. Kp = (P_CS₂ × P_S₂) / (P_CH₄ × P_H₂S)
• D. Kp = (P_CH₄ × P_H₂S) / (P_CS₂ × P_S₂)