Which of the Following Half-Reactions Could Occur at the Negative

question 34

Multiple Choice

Which of the following half-reactions could occur at the negative electrode of a voltaic cell?

• A) Cu²⁺ + 2 e ^- → Cu
• B) Fe³⁺ + e ^- → Fe²⁺
• C) Zn→ Zn²⁺ + 2 e ^-
• D) Cu→ Cu²⁺ + 2 e ^-
• E) both answers c and d

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