Coordination CompoundHard

Question

In which of the following octahedral complexes of Co (at. no. 27), will the magnitude of ᐃo be the highest?

Options

A.[Co(CN)6]3-
B.[Co(C2O4)3]3-
C.[Co(H2O)6]3+
D.[Co(NH3)6]3+

Solution

CN- is stronger ligand hence Δo is highest.

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