Which pair of reactants will undergo aldol condensation to produce pent-3-ene-2-one? A Propanone and ethanal B Methana and propanone C Two molecules of propanone D Methanal and ethanal E Two molecules of propanal

A - Propanone and ethanal.

Explanation:

Aldol condensation may be defiend as a reaction which involves an enol or an enolate ion with a carbonyl compound to form a beta-hydroxyaldehyde (β-hydroxyaldehyde or β-hydroxyketone), which is accompanied by dehydration to give a conjugated enone.

In this case, Propanone and ethanal will undergo condensation reaction to produce pent-3-ene-2-one.

It is important to note that propanone is an enol.

Therefore, the pair of reactants that will undergo aldol condensation to produce pent-3-ene-2-one? is Propanone and ethanal.

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