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

question 80

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)BH ₄ ⁻( aq)
• E)Zn(OH)₂( s)

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