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Question

Base catalysed aldol-condensation occurs with:


A

Propionaldehyde

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B

2-methylpropionaldehyde

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C

Benzaldehyde

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D

2,2-Dimethylpropionaldehyde

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Solution

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.


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