1.

Which one of the following complexes shows optical isomerism- (en = ethylenediamine)

Answer»

`[Co(NH_3)Cl_2]CL`
`[Co(NH_3)_3Cl_3]`
cis`[Co(EN)_2Cl_2]Cl`
TRANS`[Co(en)_2Cl_2]Cl`

Answer :C


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