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1 September, 13:39

What is the oxidation number of the chromium atom in k2cro4? what is the oxidation number of the chromium atom in? + 2 + 6 - 3 - 7 + 4?

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  1. 1 September, 16:20
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    (K⁺¹) 2Cr (O⁻²) 4

    +1*2 + x-2*4=0

    2+x-8=0

    x=6

    Oxidation number of Cr is + 6.
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