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Calculating Oxidation Number

The pair of c...

Question

The pair of compounds having metals in their highest oxidation state is

A

MnO₂, FeCl₃

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B

MnO^-₄, Cro₂Cl₂

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C

[Fe(CN)₆]^3-, [CO(CN)₃]

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D

[NiCl₄]^2-, [COCl₄]^-

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Solution

The correct option is B
MnO^-₄, Cro₂Cl₂

In MnO^-₄, Mn⁺⁷ is in highest oxidation state possible for Mn.

In CrO₂Cl₂, Cr⁺⁶ is in highest oxidation state possible for Cr.

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