Which of the following equations is the net ionic equation for the precipitation of chromium(III) hydroxide from an aqueous mixture of potassium hydroxide and chromium(III) nitrate?

• A. Cr⁺(aq) + 3 OH^3–(aq) → Cr₃OH(s)
• B. Cr³⁺(aq) + OH^–(aq) → CrOH²⁺(s)
• C. Cr³⁺(aq) + OH^3–(aq) → CrOH(s)
• D. Cr³⁺(aq) + 3 OH^–(aq) → Cr(OH)₃(s)

Answer: (D)