Examine the Following Half-Reactions and Select the Strongest Reducing Agent

question 49

Multiple Choice

Examine the following half-reactions and select the strongest reducing agent among the species listed. HgO(s) + H2O(l) + 2e^-
Hg(l) + 2OH^-(aq) E°= 0.0977 V
Zn(OH) ₂(s) + 2e^-
Zn(s) + 2OH^-(aq) E° = -1.25 V
Ag₂O(s) + H₂O(l) + 2e^-
Ag(s) + 2OH^-(aq) E° = 0.342 V
B(OH) ₃(aq) + 7H⁺(aq) + 8e^-
BH4^-(aq) + 3H₂O(l) E° = -0.481 V

• A) Hg(l)
• B) Zn(s)
• C) Ag(s)
• D) BH₄^-(aq)
• E) Zn(O
• H)₂(s)