Amongst the following identify the species with an atom in + 6 oxidation state: Options: A . &nbsp M n O − 4 B . &nbsp C r ( C N ) 3 − 6 C . &nbsp N i F 2 − 6 D . &nbsp C r O 2 C l 2

Answer: Option D : D In M n O − 4 , Mn is in +7 oxidation state. Likewise, in C r ( C N ) 3 − 6 Chromium exhibits +3 oxidation state. As for N i F 2 − 6 , Nickel shows +4 oxidation state. What will be the oxidation number of Cr in C r O 2 C l 2 ? We apply the rules for assigning oxidation number: x − 4 − 2 = 0 S o l v i n g , x = + 6

Amongst the following identify the species with an atom in + 6 oxidation state

Discussion Forum : Redox Reactions

Question -

Amongst the following identify the species with an atom in + 6 oxidation state:

Options:

A .

M n O_{4}^{-}

B .

C r (C N)_{6}^{3 -}

C .

N i F_{6}^{2 -}

D .

C r O_{2} C l_{2}

Answer: Option D
:
D

In $M n O_{4}^{-}$ , Mn is in +7 oxidation state.
Likewise, in $C r (C N)_{6}^{3 -}$ Chromium exhibits +3 oxidation state.
As for $N i F_{6}^{2 -}$ , Nickel shows +4 oxidation state.
What will be the oxidation number of Cr in $C r O_{2} C l_{2}$ ?
We apply the rules for assigning oxidation number:
$x - 4 - 2 = 0$
$S o l v i n g, x = + 6$

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