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27 July, 10:54

Given the reaction: Ca (s) + Cu2 + (aq) - Ca2 + (aq) + Cu (s)

What is the correct reduction half-reaction?

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Answers (2)
  1. 27 July, 10:59
    0
    Cu2 + - -> Cu (s)

    Explanation:

    Copper reduced from the oxidation state of + 2 to 0.
  2. 27 July, 11:11
    0
    Copper 2 + to copper solid is the correct reduction half reaction as it involves electron gain
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