1.

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

Answer»

methanal and ETHANAL
two mols of ethanal
methanal and propanone
ethanal and propanone

Solution :`underset("Ethanal")(2CH_(3)CHO) underset(("Aldol condensation"))overset("DIL. NAOH")to CH_(3)-CHOH-CH_(2)CHO underset(-H_(2)O)overset(H^(+),Delta)to underset("But-2-enal")(CH_(3)CH=CHCHO)`


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