Arrange the complexes in order of decreasing stability.

Asked by maham237 @ 25/12/2020 in Chemistry viewed by 339 People

Arrange the complexes in order of decreasing stability. Rank from most stable to least stable. To rank items as equivalent, overlap them. [Ni(en)(H2O)4] [FeF6] [Fe(NH3)6] [Ni(en)3])

Answered by maham237 @ 25/12/2020

Answer: [Ni(en)3] > [Ni(en)(H2O)4] > [Fe(NH3)6] > [FeF6]

Explanation:

Generally chelating ligands stabilize the complex more than non chelated ligands and more the no of chelated ligands more the stability.

Here en (ethylenediamine) is a chelated ligand and stabilze the complex more by chelation.

And Strong field ligand (NH3) also stabilze the complex more than weak field ligand (F).

Hence F containing complex is least stable.

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