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29 August, 19:20

In the following reaction, is the nitrogen reduced or oxidized? 2Cu2O + 2NO 4CuO + N2

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  1. 29 August, 19:34
    0
    Nitrogen has reduced.

    In the reaction, Cu₂O goes to CuO.

    Oxidation state in

    Cu₂O = + 1 CuO = + 2

    2a + (-2) x 1 = 0 a + (-2) x 1 = 0

    2a = + 2 a = + 2

    a = 1

    Hence, Cu has oxidized.

    NO goes to N₂ by reducing its oxidation state from + 2 to 0.

    Oxidation state in

    NO = + 2

    a + (-2) x 1 = 0

    a = + 2
  2. 29 August, 19:40
    0
    In the following reaction, the nitrogen is reduced.

    2Cu2O + 2NO → 4CuO + N2
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