1.

The pair of compounds having metals in their highest oxidation state is

Answer»

`MnO_(2)FeCI`
`MnO_(4)^(-)CrO_(2)CI_(2)`
`[Fe(CN)_(6)]^(3-),COCI_(4)]^(-)`
`[NiCI_(4)]^(2-),[CoCI_(4)]^(-)`

Solution :HIGHEST O.S of Mn is +7 `MnO_(4)^(-)` and that of Cr is +6 `CrO_(2)CI_(2)`


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