Question

The IUPAC name for \[\begin{array}{cc}
\phantom{.}\ce{O}\phantom{................}\ce{O}\phantom{.}\\
\phantom{}||\phantom{.................}||\phantom{}\\
\ce{CH - C - CH2 - CH2 - C - OH}
\end{array}\] is ______.

विकल्प

• 1-hydroxypentane-1, 4-dion

• 1, 4-dioxopentanol

• 1-carboxybutan-3-one

• 4-oxopentanoic acid

Answer 1

The IUPAC name for \[\begin{array}{cc}
\phantom{.}\ce{O}\phantom{................}\ce{O}\phantom{.}\\
\phantom{}||\phantom{.................}||\phantom{}\\
\ce{CH - C - CH2 - CH2 - C - OH}
\end{array}\] is 4-oxopentanoic acid.

Explanation:

If more than one functional groups are present in the chain, one will be the main functional group on priority basis and mentioned as a sec. suffix, while the others are written as prefix mentioned as oxo along with locant.