GKFix MCQ Question

What is the correct Kc expression for Fe³⁺(aq) + 3OH⁻(aq) ⇌ Fe(OH)₃(s)?

• A. [Fe³⁺][OH⁻]³
• B. [Fe(OH)₃]/[Fe³⁺][OH⁻]³
• C. 1/[Fe³⁺][OH⁻]³
• D. [Fe³⁺][OH⁻]³/[Fe(OH)₃]