The IUPAC name of the following compound is C | vedclass

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(A) The principal functional group is $-COOH$ (carboxylic acid),which is assigned the lowest locant $(1)$.Numbering the parent chain starting from the

Vedclass · Accepted Answer

$3$-Hydroxy-$4$-methylpentanoic acid

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(A) The principal functional group is $-COOH$ (carboxylic acid),which is assigned the lowest locant $(1)$.Numbering the parent chain starting from the carboxylic acid carbon:$C^5H_3-C^4H(CH_3)-C^3H(OH)-C^2H_2-C^1OOH$There is a methyl group at position $4$ and a hydroxy group at position $3$.According to $IUPAC$ nomenclature rules,substituents are listed in alphabetical order.'Hydroxy' precedes 'methyl'.Therefore,the correct name is $3$-hydroxy-$4$-methylpentanoic acid.

The $IUPAC$ name of the following compound is $CH_3-CH(CH_3)-CH(OH)-CH_2-COOH$.

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