Oxidation-Reduction Reactions

AP Chemistry· difficulty 3/5

In Zn + Cu²⁺ → Zn²⁺ + Cu, the oxidizing agent is

  • A

    Both

  • B

    Zn (it gets reduced)

  • C

    Cu²⁺ (gets reduced; oxidizes Zn)

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  • D

    Neither

Explanation

Cu²⁺ + 2e⁻ → Cu (reduction). The species being reduced is the oxidizing agent. Zn → Zn²⁺ + 2e⁻ (oxidation, Zn = reducing agent).

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