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6 January, 18:49

What is the oxidation state of selenium in SeO3?

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  1. 6 January, 22:21
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    Answer: The oxidation state of selenium in SeO3 is + 6

    Explanation:

    SeO3 is the chemical formula for selenium trioxide.

    - The oxidation state of SeO3 = 0 (since it is stable and with no charge)

    - the oxidation number of oxygen (O) IN SeO3 is - 2

    - the oxidation state of selenium in SeO3 = Z (let unknown value be Z)

    Hence, SeO3 = 0

    Z + (-2 x 3) = 0

    Z + (-6) = 0

    Z - 6 = 0

    Z = 0 + 6

    Z = + 6

    Thus, the oxidation state of selenium in SeO3 is + 6
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