GKFix MCQ Question

What is the correct expression for Qc for the reaction N2(g) + 3H2(g) ⇌ 2NH3(g)?

• A. Qc = [N2][H2]^3 / [NH3]^2
• B. Qc = [NH3] / ([N2][H2])
• C. Qc = [N2] / ([H2][NH3])
• D. Qc = [NH3]^2 / ([N2][H2]^3)