Which reaction converts propanal to 3-hydroxy-2-methylpentanal?
Propanal (CH₃CH₂CHO) reacts with ethanal (CH₃CHO) in a cross aldol condensation, forming 3-hydroxy-2-methylpentanal (CH₃CH₂CH(OH)CH(CH₃)CHO) before dehydration.
Ref: NCERT Class 12 Chemistry > Chapter 12: Aldehydes, Ketones and Carboxylic Acids > Topic: Physical Properties and Nucleophilic Addition Reactions