Q.

Which amongst the following compounds will show geometrical isomerism          [2023]

1 Pent-1-ene  
2 2,3-Dimethylbut-2-ene  
3 2-Methylprop-1-ene  
4 3,4-Dimethylhex-3-ene  

Ans.

(4)

It shows geometrical isomerism.