1.

Which one of the following complexes will have four isomers?

Answer»

`[Co(EN)_(3)]Cl`
`[Co(en)_(2)Cl_(2)]Cl`
`[Co(PPh_(3))_(2)(NH_(3))Cl_(2)]Cl`
`[Co(PPh_(3))_(3)Cl]Cl_(2)`

Solution :Complex `[Co(en)_(2)Cl_(2)]Cl` will have four DIFFERENT isomers.
(i) GEOMETRICAL isomers


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