GKFix MCQ Question

Which of the following represents the reduction of mercury(I) ion?

• A. Hg2+ + e– → Hg22+ 0.92
• B. 2Hg2+ + 2e– → Hg22+ 0.92
• C. Hg2+ + 2e– → Hg(l)
• D. Ag+ + e– → Ag(s) 0.80