Question

The IUPAC name of

\[\begin{array}{cc}
\phantom{.............}\ce{O}\phantom{..}\ce{CH3}\phantom{...}\ce{O}\phantom{...}\\
\phantom{...............}||\phantom{...}|\phantom{......}||\phantom{.....}\\
\ce{CH3 - CH2 - C - CH - C - H}
\end{array}\]

Options

• 4-Methyl-2-oxohexanal

• 2-Methyl-3-oxohexanal

• 2-Methyl-4-oxohexanal

• 2-Methyl-3-oxopentanal

Answer 1

2-Methyl-3-oxopentanal

Explanation:

\[\begin{array}{cc}
\phantom{...............}\ce{O}\phantom{....}\ce{CH3}\phantom{....}\ce{O}\phantom{.}\\
\phantom{...............}||\phantom{.....}|\phantom{.......}||\phantom{.}\\
\ce{\underset{2-Methyl-3-oxopentanal}{^5CH3 - ^4CH2 - ^3C - ^2CH - ^1C - H}}
\end{array}\]