C2O2−4 is a weak ligand but acts as a strong ligand in K3[Co(C2O4)3] – InterviewSolution

1.	C2O2−4 is a weak ligand but acts as a strong ligand in K3[Co(C2O4)3] and induces the pairing of electrons against Hund's rule. Why?
Answer» $C_{2} O_{4}^{2 -}$ is a weak ligand but acts as a strong ligand in $K_{3} [C o (C_{2} O_{4})_{3}]$ and induces the pairing of electrons against Hund's rule. Why?

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