1.

Among the following identify the species with an atom in `+6` oxidation state.A. `MnO_(4)^(-)`B. `Cr(CN)_(6)^(3-)`C. `NiF_(6)^(2-)`D. `CrO_(2)Cl_(2)`

Answer» Correct Answer - D
`Cr` in `CrO_(2)Cl_(2)`:
`a+2xx(-2)+2xx(-1)=0`
`a= +6`


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