Which of the following alkenes exhibits optic | vedclass

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Question

(D) For a molecule to exhibit optical isomerism,it must contain at least one chiral center (an asymmetric carbon atom bonded to four different groups)

Vedclass · Accepted Answer

$3-$Methyl$-1-$pentene

Vedclass · Answer

(D) For a molecule to exhibit optical isomerism,it must contain at least one chiral center (an asymmetric carbon atom bonded to four different groups).Let us analyze the structures:$A$: $CH_3-C(CH_3)=CH-CH_2-CH_3$ ($2-$Methyl$-2-$pentene) - No chiral center.$B$: $CH_3-CH=C(CH_3)-CH_2-CH_3$ ($3-$Methyl$-2-$pentene) - No chiral center.$C$: $CH_2=CH-CH_2-CH(CH_3)-CH_3$ ($4-$Methyl$-1-$pentene) - No chiral center.$D$: $CH_2=CH-CH(CH_3)-CH_2-CH_3$ ($3-$Methyl$-1-$pentene) - The carbon at position $3$ is bonded to a hydrogen atom,a methyl group,an ethyl group,and a vinyl group $(-CH=CH_2)$. Since all four groups are different,it is a chiral center.Therefore,$3-$Methyl$-1-$pentene exhibits optical isomerism.

Which of the following alkenes exhibits optical isomerism?

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