The Metal with the highest oxidation state present in $K_{2} C r O_{4}$ , $N b C l_{5}$ and $M n O_{2}$ is:

N b

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M n

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K

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C r

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Solution

The correct option is C $C r$
Oxidation state of $C r$ in $K_{2} C r_{2} O_{7} = + 6$

Oxidation state of $N b$ in $N b C l_{5} = + 5$

Oxidation state of $M n$ in $M n O_{2} = + 4$

Hence option D is correct.

Suggest Corrections

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