GKFix MCQ Question

What is the expression for Kc for the reaction H₂(g) + I₂(g) ⇌ 2HI(g)?

• A. [H₂][I₂] / [HI]²
• B. [HI] / ([H₂][I₂])
• C. [HI]² / ([H₂][I₂])
• D. [H₂]²[I₂]² / [HI]