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18 May, 16:03

3Ni2 + (aq) + 2Co (s) ⟶2Co3 + (aq) + 3Ni (s) Which substance gets oxidized?

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  1. 18 May, 16:12
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    Co⁰ - 3e⁻ → Co³⁺ (cobalt loses electrons so it is oxidized)

    Explanation:

    When a substance is oxidized it means that it loses electrons.

    When a substance is reduced it means that it gains electrons.

    Ni²⁺ + 2e⁻ → Ni⁰ (nickel gains electrons so it is reduced)

    Co⁰ - 3e⁻ → Co³⁺ (cobalt loses electrons so it is oxidized)
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