Cross aldol condensation occurs between

Question

Cross aldol condensation occurs between (A) two same aldehydes (B) two same ketones (C) two different aldehydes and ketones (D) None of these

Tardigrade Admin · Accepted Answer

In cross aldol condensation aromatic aldehydes or ketones (with or without α-hydrogen) react with aldehydes, ketones or esters having α-hydrogen atoms in the presence of dilute alkali to form a β-unsaturated carbonyl compound. Example,

Q. Cross aldol condensation occurs between

two same aldehydes

two same ketones

two different aldehydes and ketones

None of these

In cross aldol condensation aromatic aldehydes or ketones (with or without $α$ -hydrogen) react with aldehydes, ketones or esters having $α$ -hydrogen atoms in the presence of dilute alkali to form a $β$ -unsaturated carbonyl compound. Example,