MEDIUMMCQ SINGLEJEE Mains ChemistryInorganic ChemistryCoordination compoundsIntroduction of Coordination Compounds

The complex ion which has no d electrons in the central metal atom is

A.[MnO4]–✓ Correct

B.[Co(NH3)6]3+

C.[Fe(CN)6]3–

D.[Cr (H2O)6]3+

Explanation

The MnO4 – has manganese in the +7 oxidation state and there will be no d electrons in the Mn+7 state. Hence, the correct answer is option (a)

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