Question

What is the product formed when acetaldehyde is reacted with very dilute sodium hydroxide?

Options

• aldol

• alcohol

• ketol

• diol

Answer 1

aldol

Explanation:

\[\begin{array}{cc}
\phantom{..}\ce{H}\phantom{...............}\ce{H}\phantom{......................}\ce{H}\phantom{...}\ce{H}\phantom{...}\ce{H}\phantom{}\\
\phantom{....................}|\phantom{................}|\phantom{.......................}|\phantom{....}|\phantom{....}|\phantom{..................}\\
\ce{\underset{Acetaldehyde}{CH3 - C = O} + \underset{Acetaldehyde}{CH3 - C = O} ->[dil.NaOH] CH3 - C - C - C = O}\\
\phantom{......................................}|\phantom{....}|\phantom{.}\\
\phantom{......................................}\ce{\underset{\phantom{........}Acetaldol}{\ce{OH}\phantom{.}\ce{H}\phantom{}}}
\end{array}\]