Oxidation number of Cr inK_3CrO_8 is

1.	Oxidation number of Cr inK_3CrO_8 is
Answer» Solution :`K_(3)CrO_(8)` is `K_3[CR(O_2)_(4)]` i.e ., 4 (O-O) bond `:.` OXIDATION no. of.= Cr + 5 .

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