The IUPAC name of the given compound CH_2=CH- | vedclass

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Question

(A) The structure is $CH_2=CH-CH_2-COOH$.According to $IUPAC$ nomenclature rules,the principal functional group (carboxylic acid,$-COOH$) is assigned

Vedclass · Accepted Answer

But$-3-$enoic acid

Vedclass · Answer

(A) The structure is $CH_2=CH-CH_2-COOH$.According to $IUPAC$ nomenclature rules,the principal functional group (carboxylic acid,$-COOH$) is assigned the lowest possible number,which is $1$.The carbon chain consists of $4$ carbon atoms,so the parent alkane is butane.The double bond is present at the $3^{rd}$ carbon position.Therefore,the correct $IUPAC$ name is but$-3-$enoic acid.

The $IUPAC$ name of the given compound $CH_2=CH-CH_2-COOH$ is:

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