1.

What is meant by ligand ? Explain their types with examples.

Answer»

Solution :The ligands are the atoms of groups of atoms bound to the central metal /ion. The atom in a ligand that is bound directly to the central metal atom is KNOWN as a donor atom.
Ligands are of `5` types
`(a)` Cationic ligand e.g., `NH_(2)-NH_(3)^(+)` Hydrazinium
`(b)` ANIONIC ligand e.g., `Br^(-)` Bromido
`(c )` NEUTRAL ligand e.g., `H_(2)O` Aqua
`(d)` Mono dentate ligandA ligand can be connected by one coordinate bond.
e.g., `F^(-)` fluorido
`(e )` Ambidendate ligandA ligand can be connected by more than one coordinate MODE.
e.g., -NCS ISO thio cyanato (KN)
-SCN thio cyanato (KS)


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