Question
Illustrate with example, the difference between a double salt and a co$-$ordination compound.
| Double salt | Complex compound |
| They contain two simple salt in equimolar proportion. | They contain a complex of salt which may or may not be in equimolar proportion. |
| In aqueous solution, they dissociate completely into ions. | In aqueous solution complex ion does not dissociation into ions. |
| They are ionic compound and contain ionic bonds. | They may or may not be ionic complex part always contains coordinate bonds. |
| Properties of the salt is same as its constituent compounds. | The properties of the compound are different from its constituents due to complex formation. |
| Example : Potash alum $K_2SO_4.Al_2SO_3.24H_2O$ |
Example : Potassium hexachloroplatinate $(IV) K_2[ PtCl_6].$ |
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