GKFix MCQ Question

Which redox couple acts as a stronger reducing agent than H⁺/H₂?

• A. Ag+ + e– → Ag(s) 0.80
• B. Cu2+ + 2e– → Cu(s) 0.34
• C. Zn2+ + 2e– → Zn(s)
• D. Ni2+ + 2e– → Ni(s) –0.25