1.

Indicate the possible type of isomerism for the following complexex and draw their isomers (i) [Co(en)_(3)][Cr(CN)_(6)] (ii) [Co(NH_(3))_(5)(NO_(2))]^(2+) (iii) [Pt(NH_(3))_(3)(NO_(2))]Cl

Answer»

Solution :`(i) [Co(en)_(3)][Cr(CN)_(6)]`-EXHIBITS COORDINATION isomerism
`(a) [Co(en)_(3)][Cr(CN)_(6)]` `(b) [Cr(en)_(3)][Co(CN)_(6)]`

`(ii) Co(NH_(3))_(5)(NO_(2))]^(2+)`-Exhibits LINKAGE isomerism
`(a) Co(NH_(3))_(5)(NO_(2))]^(2+)`-N attached `(b) Co(NH_(3))_(5)(ONO_(2))]^(2+)`- O attached

`(iii) [PT(NH_(3))_(3)(NO_(2))]Cl`- Exhibits ionisation isomerism
`(a) [Pt(NH_(3))_(3)(NO)_(2)]Cl` `(b) [Pt(NH_(3))_(3)(Cl)]NO_(2)`


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