Which of the following is the most stable com | vedclass

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(D) The stability of a coordination complex is influenced by the chelate effect. Complexes containing polydentate ligands (chelating agents) are signi

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$K_2[Ni(EDTA)]$

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(D) The stability of a coordination complex is influenced by the chelate effect. Complexes containing polydentate ligands (chelating agents) are significantly more stable than those with monodentate ligands. $EDTA^{4-}$ is a hexadentate ligand that forms a very stable complex with metal ions due to the formation of multiple five-membered chelate rings. Among the given options,$[Ni(EDTA)]^{2-}$ is the most stable because $EDTA$ acts as a hexadentate ligand,creating a high degree of stability through the chelate effect.

Which of the following is the most stable complex?

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