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COMPLEX ION FORMATION: NH3(LIGAND) ADDED TO NiCl2<br />
Blue Coordination Compound in Beaker<br />
Pale green Ni2+ ion reacts as a Lewis acid with the addition of the ligand (NH3)2- to form the deep blue coordination compound Ni(NH3)6Cl2, which contains the complex ion [Ni(NH3)6]2+.  This process can be reversed by the addition of H+.

Fphoto-64700907A-6RM.jpg

COMPLEX ION FORMATION: NH3(LIGAND) ADDED TO NiCl2
Blue Coordination Compound in Beaker
Pale green Ni2+ ion reacts as a Lewis acid with the addition of the ligand (NH3)2- to form the deep blue coordination compound Ni(NH3)6Cl2, which contains the complex ion [Ni(NH3)6]2+. This process can be reversed by the addition of H+.

Copyright:© 2009 Richard Megna - Fundamental Photographs

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Richard Megna