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  4. Identify the combination of compounds that undergo Aldol condensation followed by dehydration to produce but-2-enal

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Q. Identify the combination of compounds that undergo Aldol condensation followed by dehydration to produce but-$2$-enal

KEAMKEAM 2014Aldehydes Ketones and Carboxylic Acids

Solution:

On reversing the process of aldol condensation in the following manner, we get two moles of ethanal.

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Thus, the combination of compounds to give the given product is two moles of ethanal.