The stabilization of coordination compounds d | vedclass

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(C) The stabilization of coordination compounds due to the formation of rings by polydentate ligands is known as the chelate effect.Chelating ligands

Vedclass · Accepted Answer

$[Fe(C_2O_4)_3]^{-3}$

Vedclass · Answer

(C) The stabilization of coordination compounds due to the formation of rings by polydentate ligands is known as the chelate effect.Chelating ligands form more stable complexes compared to monodentate ligands due to the increase in entropy upon chelation.In the given options,$[Fe(C_2O_4)_3]^{-3}$ contains the oxalate ion $(C_2O_4^{2-})$,which is a bidentate chelating ligand.Since it forms stable five-membered chelate rings with the $Fe^{3+}$ ion,it is the most stable complex among the choices provided.

The stabilization of coordination compounds due to chelation is called the chelate effect. Which of the following is the most stable complex species?

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