Question

The IUPAC name of the following compound is:

\[\begin{array}{cc}
\ce{CH3}\phantom{..}\ce{OH}\phantom{.........}\\
|\phantom{......}|\phantom{...........}\\
\ce{CH3 - CH - CH - CH2 - COOH}\\
\end{array}\]

Options

• 4,4-dimethyl-3-hydroxybutanoic acid

• 2-Methyl-5-hydroxypentane-5-oic acid

• 3-Hydroxy-4-methylpentanoic acid 

• 4-methyl-3-hydroxypentanoic acid

Answer 1

3-Hydroxy-4-methylpentanoic acid

Explanation:

\[\begin{array}{cc}
\ce{CH3}\phantom{..}\ce{OH}\phantom{.........}\\
|\phantom{......}|\phantom{...........}\\
\ce{\underset{3-Hydroxy-4-methylpentanoic acid}{\overset{5}{C}H3 - C\overset{4}{H} - C\overset{3}{H} - \overset{2}{C}H2 - \overset{1}{C}OOH}}\\
\end{array}\]