GKFix MCQ Question

What is the correct equilibrium expression for the reaction 2NOCl(g) ⇌ 2NO(g) + Cl2(g)?

• A. [NOCl]^2/[NO]^2[Cl2]
• B. [NO]^2[Cl2]/[NOCl]^2
• C. [NO]^2/[NOCl]^2[Cl2]
• D. [Cl2]/[NOCl]^2[NO]^2