1.

Co-ordiantion compounds show structural isomerism and it is different from the nature of the isomerism which we generally come across in organic compounds. The co-ordination and linkage isomers depending upon their upon the number of ions which they furnish upon dissociation in aqueous solution . The isomers belonging to a particular type can also be distinguished from each structural isomerism, the co-ordination compounds are also involved in geometrical and optical isomerism. Whereas optical octahedral and square planar complexes can exhibit geometrical isomerism. One mole of the complex compoundgives 3 mole of ions on dissolution in water. One mole of the same complex reacts with two moles ofto yield two moles of . The structure of the complex is :

Answer»

`[CO(NH_(3))_(3)Cl_(3)].2NH_(3)`
`[Co(NH_(3))_(4)Cl_(2).NH_(3)`
`[Co(NH_(3))_(4)Cl]Cl_(2).NH_(3)`
`[Co(NH_(3))_(5)Cl]Cl_(2)`

Solution :The STRUCTURE for the complex RESPONDS to the characteristics of the complex.


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