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5 December, 04:59

What element is being oxidized in the following redox reaction?

MnO4 (aq) + H2C2O4 (aq) → Mn2 + (aq) + CO2 (g)

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  1. 5 December, 05:21
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    C is the element thats has been oxidized.

    Explanation:

    MnO₄⁻ (aq) + H₂C₂O₄ (aq) → Mn²⁺ (aq) + CO₂ (g)

    This is a reaction where the manganese from the permanganate, it's reduced to Mn²⁺.

    In the oxalic acid, this are the oxidation states:

    H: + 1

    C: + 3

    O: - 2

    In the product side, in CO₂ the oxidation states are:

    C: + 4

    O: - 2

    Carbon from the oxalate has increased the oxidation state, so it has been oxidized.
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