1.

Which one of the following complex ions has geometrical isomers? (en = ethylenediamine)

Answer»

`[Ni(NH_(3))_(5)Br]^(+)`
`[CO(NH_(3))_(2)(en)_(2)]^(3+)`
`[Cr(NH_(3))_(4)(en)]^(3+)`
`[Co(en)_(3)]^(3+)`

SOLUTION :`[Co(NH_(3))_(2)(en)_(2)]^(3+)` shows GEOMETRICAL isomerism.


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