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

1.	The pair of compounds having metals in their highest oxidation state is:
Answer» `MnO_(2) and CrO_(2)Cl_(2)` `[FeCl_(4)]^(-) and Co_(2)O_(3)` `[Fe(CN)_(6)]^(3-) and [Cu(CN)_(4)]^(2-)` `[NiCl_(4)]^(2-) and [CoCl_(4)]^(2-)` Answer :C

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