What Is the Balanced Reduction Half-Reaction for the Following Unbalanced $\to$

question 48

Multiple Choice

What is the balanced reduction half-reaction for the following unbalanced redox reaction:
Ca(s) + Ag⁺(aq) $\to$ Ca²⁺(aq) + Ag(s)

• A)Ca → Ca²⁺+ 2 e^-
• B)Ag⁺ → Ag + 1 e^-
• C)2 e^- + Ca → Ca²⁺
• D)2Ag⁺ + 2 e^-→ 2Ag
• E)none of the above

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