Redox and Equivalent ConceptHard

Question

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

Options

A.MnO2, FeCl3
B.[MnO4]−, CrO2Cl2
C.[Fe(CN)6]3−, [Co(CN)3]
D.[NiCl4]2−, [CoCl4]−

Solution

$\overset{+ 7}{Mn}O_{4}^{-},\overset{+ 6}{Cr}O_{2}Cl_{2}$These are highest oxidation states of Mn and Cr, respectively.

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