A Certain Electrochemical Cell Has for Its Cell Reaction: Zn

question 87

Multiple Choice

A certain electrochemical cell has for its cell reaction: Zn + HgO → ZnO + Hg
Which is the half-reaction occurring at the anode?

• A) HgO + 2e^- → Hg + O^2-
• B) Zn²⁺+ 2e^- → Zn
• C) Zn → Zn²⁺ + 2e^-
• D) ZnO + 2e^- → Zn

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