GKFix MCQ Question

Which redox couple corresponds to E⁰ = –0.83 V?

• A. Zn2+ + 2e– → Zn(s) –0.76
• B. 2H2O + 2e– → H2(g) + 2OH–
• C. Al3+ + 3e– → Al(s) –1.66
• D. Na+ + e– → Na(s) –2.71