GKFix MCQ Question

What is the correct expression for the solubility product of copper(I) sulfide (Cu₂S)?

• A. Ksp = [Cu⁺][S²⁻]
• B. Ksp = [Cu⁺]²[S²⁻]²
• C. Ksp = [Cu²⁺][S²⁻]
• D. Ksp = [Cu⁺]²[S²⁻]