Which Pair of Half-Reactions Could Be Used to Electroplate Silver $\rightarrow$

question 4

Multiple Choice

Which pair of half-reactions could be used to electroplate silver onto iron?

• A) reduction: Ag⁺ + e^- \(\rightarrow\)Ag; oxidation: Ag \(\rightarrow\)Ag⁺ + e^-
• B) reduction: Ag \(\rightarrow\)Ag⁺ + e^-; oxidation: Ag⁺ + e^- \(\rightarrow\)Ag
• C) reduction: Fe²⁺ + 2 e^- \(\rightarrow\)Fe; oxidation: Fe \(\rightarrow\)Fe²⁺ + 2 e^-
• D) reduction: Fe \(\rightarrow\)Fe²⁺ + 2 e^-; oxidation: Fe²⁺ + 2 e^- \(\rightarrow\)Fe

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