GKFix MCQ Question

What is the balanced chemical equation in Problem 6.9?

• A. PCl₅ ⇌ 2PCl₃
• B. PCl₅ ⇌ PCl₃ + Cl₂
• C. 2PCl₅ ⇌ PCl₃
• D. PCl₃ + Cl₂ ⇌ PCl₅