The compound (s) that exhibit (s) geometrical isomerism is (are)

The compound (s) that exhibit (s) geometrical isomerism is (are)
  1. $\left[\mathrm{Pt}(\mathrm{en}) \mathrm{Cl}_2\right]$
  2. $\left[\mathrm{Pt}(\mathrm{en})_2 \mathrm{Cl}_2\right]$
  3. $\left[\mathrm{Pt}(\text { en })_2 \mathrm{Cl}_2\right] \mathrm{Cl}_2$
  4. $\left[\mathrm{Pt}\left(\mathrm{NH}_3\right)_2 \mathrm{Cl}_2\right]$

Solution

Only $C$ and $D$ can show geometrical isomerism as

Asked in: JEE Advanced 2009 (Paper 1)

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