Which of the following selected chains is cor | vedclass

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(A) According to the $IUPAC$ rules for nomenclature,the principal functional group must be included in the longest carbon chain. Here,the carboxyl gro

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$4$-carbon chain

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(A) According to the $IUPAC$ rules for nomenclature,the principal functional group must be included in the longest carbon chain. Here,the carboxyl group $(-COOH)$ is the principal functional group and the hydroxyl group $(-OH)$ is a substituent. The longest chain must contain the principal functional group $(-COOH)$. Among the given options,the chain containing the $-COOH$ group and the $-OH$ group as part of the main structure or as a substituent must be selected such that the principal functional group gets the lowest possible locant. The selection in option $(a)$ is correct because it identifies the longest chain that includes the principal functional group $(-COOH)$ and allows for the correct naming of the substituents.

Which of the following selected chains is correct to name the given compound according to the $IUPAC$ system?

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