Which of the following complexes is the most | vedclass

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(D) The stability of coordination complexes is influenced by the chelate effect. Chelating ligands form more stable complexes compared to monodentate

Vedclass · Accepted Answer

$K_2[Ni(EDTA)]$

Vedclass · Answer

(D) The stability of coordination complexes is influenced by the chelate effect. Chelating ligands form more stable complexes compared to monodentate ligands due to the increase in entropy. Among the given options,$EDTA^{4-}$ is a hexadentate ligand that forms a very stable complex with metal ions due to the formation of multiple five-membered chelate rings. Therefore,$[Ni(EDTA)]^{2-}$ is the most stable complex among the choices provided.

Which of the following complexes is the most stable?

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