How would you balance the following redox reaction in basic solution?
H₂O₂ + Fe²⁺ → 2OH^- + Fe³⁺

• A. Add OH^- to both sides and adjust water molecules.
• B. Add an electron to the right side to balance iron.
• C. Add 2 with both Fe²⁺ and Fe³⁺ to balance the charge.
• D. Add O₂ to both sides to balance oxygen.

Answer: (C)