The oxidation number of Cr in K_3CrO_8 is +5. | vedclass

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(A) The chemical formula $K_3CrO_8$ can be written as $K_3[Cr(O_2)_4]$.In this complex,the central metal atom is $Cr$ and it is surrounded by $4$ pero

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$4$

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(A) The chemical formula $K_3CrO_8$ can be written as $K_3[Cr(O_2)_4]$.In this complex,the central metal atom is $Cr$ and it is surrounded by $4$ peroxide ions $(O_2^{2-})$.$A$ peroxy linkage is defined as an $O-O$ bond.Since there are $4$ peroxide ions $(O_2^{2-})$,each containing one $O-O$ bond,there are $4$ peroxy linkages present in the molecule.

The oxidation number of $Cr$ in $K_3CrO_8$ is $+5$. How many peroxy linkages are present in this molecule?

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