Which of the following compounds exist as geometric isomers?
1.CH₂=C(CH₃) (CH₂CH₃)
2.CH₃CH=CH(CH₂CH₃)
3.ClCH=C(CH₃)
4.ClCH=C(Cl) (CH₃)

Question

Which of the following compounds exist as geometric isomers? 1.CH₂=C(CH₃)(CH₂CH₃) 2.CH₃CH=CH(CH₂CH₃) 3.ClCH=C(CH₃) 4.ClCH=C(Cl)(CH₃)

Quizplus · Accepted Answer

Geometric isomers arise when there is restricted rotation around a double bond or ring, and the two substituents attached to the double bond or ring are different. In compound 2, the double bond does not allow free rotation, and the two substituents attached to it (CH₃ and CH₂) are different, leading to the formation of geometric isomers. Similarly, in compound 4, the two substituents attached to the double bond (Cl and CH₃) are different, leading to the formation of geometric isomers. Compounds 1 and 3 do not have any center of chirality or restricted rotation around a double bond, so they do not exist as geometric isomers.

Which of the Following Compounds Exist as Geometric Isomers