Among these, identify the species with an atom in `+6` oxidation state: .
Among these, 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)`
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Correct Answer - D
In `CrO_(2)Cl_(2)`, let O.N of Cr =x
`:. x+2(-2)+2(-1)=0`
[O.N of O = -2, O.N of Cl = -1]
`x - 4 - 2 = 0 or x =6`.
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