1.

Which one of the following complexes will have six isomers?

Answer»

`[CO(en)(NH_(3))_2CI_(2)]CI`
`[CR(H_(2)O)_(4)CI_(2)]CI`
 `[Co(oxalate)_(3)]^(3-)`
`[Co(en)_(2)Br]CI]`

ANSWER :D


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