Chemistry, asked by SushmitaVS8307, 1 year ago

Calculate the oxidation number of Cr in Cr2O7^-2.

Answers

Answered by JunaidMirza

20

If oxidation number of Cr is x then
2x + 7(-2) = -2
2x = 12
x = +6

Oxidation number of Cr in Cr₂O₇²⁻ is +6

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