GKFix MCQ Question

What is the correct expression for the solubility product of cobalt(II) hydroxide (Co(OH)₂)?

• A. Ksp = [Co²⁺][OH⁻]
• B. Ksp = [Co²⁺]²[OH⁻]
• C. Ksp = [Co⁺][OH⁻]²
• D. Ksp = [Co²⁺][OH⁻]²