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What is meant by unidentate, didentate and ambidentate ligands ? Give two examples for each. |
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Answer» SOLUTION :A molecule or an ion having only one donor atom and FORMING one coordinate BOND with the central metal atom is called unidentate ligand. For example, `CL^(-)` and `NH_(3)`. A molecule or an ion having two donor atoms and hence forming two coordinate bonds with the central metal atom is called a didentate ligand. For example,  A molecule or an ion which contains two donor atoms but only one of them forms a coordinate bond at a time with the central metal atom is called ambidentate ligand. For example, `CN^(-)` : or : `NC^(-)`: |
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