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How many products are formed from the aldol condensation reaction between ethanal and propanal?(a) 1(b) 2(c) 3(d) 4The question was asked in an online quiz.This key question is from Aldehydes and Ketones Chemical Reactions in portion Aldehydes, Ketones and Carboxylic Acids of Chemistry – Class 12

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Right answer is (d) 4

To elaborate: Ethanal and propanal both CONTAIN α-hydrogen ATOMS and undergo aldol condensation to form a mixture of four products. The self-aldol products of ethanal and propanal are but-2-enal and 2-methylpent-2-enal respectively. The two products FORMED from the cross-aldol condensation between one MOLECULE of ethanal and one molecule of propanal are 2-methylbut-2-enal and pent-2-enal.



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