GKFix MCQ Question

What is the E⁰ value for the reduction of Cr³⁺ to Cr(s)?

• A. Al3+ + 3e– → Al(s) –1.66
• B. Cr3+ + 3e– → Cr(s) –0.74
• C. Zn2+ + 2e– → Zn(s) –0.76
• D. Ni2+ + 2e– → Ni(s) –0.25