The pair of compounds having metals in t...

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

A

`MnO_(2),FeCl_(3)`

B

`[MnO_(4)]^(-),CrO_(2)Cl_(2)`

C

`[Fe(CN)_(6)]^(3-),[Co(CN)_(3)]`

D

`[NiCl_(4)]^(2-),[CoCl_(4)]^(-)`

Verified by Experts

The correct Answer is:

B

Oxidation number Mn in `[MnO_(4)]^(-)` is 7 and Cr in `CrO_(2)Cl_(2)+6`

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