Which of the following coordination compounds would exhibit optical isomerism?

Which of the following coordination compounds would exhibit optical isomerism?
  1. Pentaamminenitrocobalt(III) iodide
  2. Diamminedichloroplatinum (II)
  3. Trans dicyanobis(ethylenediamine) chromium(III) chloride
  4. Tris-(ethylenediamine) cobalt(III) bromide

Solution

$\left[\operatorname{Co}(\mathrm{en})_3\right]^{3+}$ Related Theory Optical isomerism occurs when a molecule is not superimposable with its mirror image. Structural isomers have the same chemical composition but the bonds are different.

Asked in: NEET 2004

Practice more Coordination Compounds questions on Aicharya