GKFix MCQ Question

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

• A. Qc = [NO]^2[Cl2] / [NOCl]^2
• B. Qc = [NOCl] / ([NO]^2[Cl2])
• C. Qc = [NO] / ([Cl2][NOCl]^2)
• D. Qc = [NOCl]^2 / ([NO]^2[Cl2])