GKFix MCQ Question

What is the equilibrium constant expression for the reaction A(g) + 2B(g) ⇌ 3C(g)?

• A. [A][B]^2 / [C]^3
• B. [C]^2 / ([A][B]^3]
• C. [C]^3 / ([A][B]^2)
• D. [A]^2[B]^3 / [C]^3