Question

Base catalysed aldol-condensation occurs with:

• A. Propionaldehyde
• B. 2-methylpropionaldehyde
• C. Benzaldehyde
• D. 2,2-Dimethylpropionaldehyde

Answer 1

The correct option is A

Propionaldehyde

Base catalysed aldol-condensation occurs with propionaldehyde. Aldehydes and ketones having α –H atom are treated with dilute alkali ,two molecules of such compound condense to form β-hydroxy aldehyde and β–hydroxy ketone. The reaction is called as aldol condensation.