The correct IUPAC name of CH_3-CH_2-C(=CH_2)- | vedclass

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Question

(B) The given structure is $CH_3-CH_2-C(=CH_2)-COOH$. $1.$ The principal functional group is the carboxylic acid $(-COOH)$,which is assigned position

Vedclass · Accepted Answer

$2-$ethylprop$-2-$enoic acid

Vedclass · Answer

(B) The given structure is $CH_3-CH_2-C(=CH_2)-COOH$. $1.$ The principal functional group is the carboxylic acid $(-COOH)$,which is assigned position $1$. $2.$ The parent chain must contain the principal functional group and the double bond. $3.$ The longest chain containing both the $-COOH$ group and the $C=C$ bond has $3$ carbon atoms (propanoic acid backbone). $4.$ There is an ethyl group $(-CH_2-CH_3)$ attached to the $2^{nd}$ carbon atom. $5.$ Therefore,the $IUPAC$ name is $2-$ethylprop$-2-$enoic acid.

The correct $IUPAC$ name of $CH_3-CH_2-C(=CH_2)-COOH$ is:

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