number of ligand donor atoms to which the metal is directly bonded. For example, in the complex ions, [PtCl ] – and [Ni(NH ) ] + , the coordination number of Pt and Ni are and respectively. Similarly, in the complex ions, [Fe(C O ) ] – and [Co(en) ] + , the coordination number of both, Fe and Co, is because C O – and en (ethane- , -diamine) are didentate ligands.
📖 generic · CBSE Class 12th English Medium · CHEMISTRY · Page 3example
Werner · Part 3
Chapter 5: Coordination Compounds · CHEMISTRY
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