Coordination CompoundHard

Question

The crystal field stabilization energy (CFSE) is the highest for :

Options

A.[CoF6]3-
B.[Co(NCS)4]2-
C.[Co(NH3)6]3+
D.[CoCl4]2-

Solution

Higher the oxidation state of the metal, greater is the crystal field splitting. The species(C) is in +3 oxidation state while others are in +2 state.

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