Out of [CoF6]3- and [Co(en)3]3+ which complex is more stable - Chemistry - Coordination Compounds

Question

Out of [CoF6]3- and [Co(en)3]3+ which complex is more stable?

Balaram Shil · Accepted Answer

Dear Student, Chelate ligands form more stable complexes than
non-chelating ligands Since ethylene diamine is a bidentate ligand
and forms stable chelate, [Co(en)3]3+ will be a more stable complex
than [CoF6]3- Regards