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MEDIUMMCQ SINGLEIChO (Chemistry Olympiad)Inorganic ChemistryCoordination compoundsPrevious Year Questions

What is the correct electronic configuration of the central atom in K4[Fe(CN)6] based on crystal field theory? (NEET UG 2019)

A.t4

B.t6✓ Correct

C.eg

D.eg

Explanation

K4[Fe(CN)6] Fe ground state: [Ar]3d64s2 Fe2+ : 3d64s0 All 6 electrons are present in t2g.

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