Identify the complex which exhibits optical isomerism.

Identify the complex which exhibits optical isomerism.
  1. $\mathrm{Co}\left(\mathrm{NH}_3\right)_5\left(\mathrm{SO}_4\right) \mathrm{Br}$
  2. $\mathrm{Co}\left(\mathrm{NH}_3\right)_5 \mathrm{Cl}_3$
  3. $\mathrm{Co}(\mathrm{en})_3 \mathrm{Cl}_3$
  4. $\mathrm{Co}\left(\mathrm{NH}_3\right)_4\left(\mathrm{NO}_2\right) \mathrm{Cl}$

Solution

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Asked in: AP EAMCET 2018 (24 Apr Shift 2)

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