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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)4]

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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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