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

Question 46

Question 46

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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