Examine the Following Half-Reactions and Select the Weakest Oxidizing Agent

question 81

Multiple Choice

Examine the following half-reactions and select the weakest oxidizing agent among the species listed.
AuBr₄^-(aq) + 3e^-
Au(s) + 4Br^-(aq) ;E° = 0.854 V
Mn²⁺(aq) + 2e^-
Mn(s) ;E° = -1.185 V
K⁺(aq) + e^-
K(s) ;E° = -2.931 V
F₂O(aq) + 2H⁺(aq) + 4e^-
2F^-(aq) + H₂O(l) ;E° = 2.153 V

• A)AuBr₄^-(aq)
• B)Mn²⁺(aq)
• C)K⁺(aq)
• D)F₂O(aq)
• E)H⁺(aq)

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