GKFix MCQ Question

Which of the following can oxidize I⁻ to I₂?

• A. Zn2+ + 2e– → Zn(s) –0.76
• B. Ni2+ + 2e– → Ni(s) –0.25
• C. Fe3+ + e– → Fe2+ 0.77
• D. Pb2+ + 2e– → Pb(s) –0.13