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28 April, 09:34

What are the oxidation numbers of potassium, sulfur, and oxygen, respectively, in k2so4?

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  1. 28 April, 12:24
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    In potassium sulfate (K₂SO₄):

    1) potassium has oxidation number + 1, because it is metal in first group of Periodic table of elements.

    2) sulfur has oxidation number + 6.

    3) oxygen has oxidation number - 2, because it gain electrons from potassium and sulfur.

    Compound has neutral charge: + 1· 2 + 6 + (-2) · 4 = 0.
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