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21 January, 12:27

Using lewis formulas, assign oxidation states to the atoms in these compounds. assume that sulfur is more electronegative than carbon.

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  1. 21 January, 12:28
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    Compound 1: CS₂

    Oxidation State of S = - 2

    Overall Charge on Molecule = 0

    So,

    C + (-2) ₂ = 0

    C - 4 = 0

    C = + 4

    Result:

    O. S of C = + 4

    O. S of S = - 2

    Compound 2: CH₃S-S-CH₃ or H₆C₂S₂

    Oxidation State of H = + 1

    Oxidation State of S = - 2

    Overall Charge on Molecule = 0

    So,

    (H) ₆ + (C) ₂ + (S) ₂ = 0

    (+1) ₆ + (C) ₂ + (-2) ₂ = 0

    +6 + (C) ₂ - 4 = 0

    (C) ₂ = - 6 + 4

    (C) ₂ = - 2

    C = - 1

    Result:

    O. S of C = - 1

    O. S of S = - 2

    O. S of H = + 1
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