1.

Which one of the following is expected to exhibit optical isomerism ? (en = ethylenediamine)

Answer»

`ul("cis")-[PT(NH_(3))_(2)Cl_(2)]`
`ul("cis")-[Co(en)_(2)Cl_(2)]`
`ul("TRANS")-[Co(en)_(2)Cl_(2)]`
`ul("trans")-[Pt(NH_(3))_(2)Cl_(2)]`

Solution :`[Cu(NH_(3))_(4)]SO_(4)`


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