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Coordination Compounds

Coordination compounds: 

These are the complex compounds in which transition metal atoms are bound to a number of anions or neutral molecules.

Postulates of Werner’s theory of coordination compounds:

  • In coordination compounds, there are two types of linkages (valences) – primary and secondary.

  • The primary valences are ionisable and are satisfied by negative ions.

  • The secondary valences are non-ionisable and are satisfied by negative ions or neutral molecules. The secondary valence is equal to the coordination number of a metal and remains fixed for a metal.

  • Different coordination numbers have character…

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