Which of the following species has an at...

Which of the following species has an atom with +6 oxidation state?

A

`MnO_(4)^(-)`

B

`Cr(CN)_(6)^(3-)`

C

`NiF_(6)^(2-)`

D

`CrO_(2)Cl_(2)`

Verified by Experts

The correct Answer is:

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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