Which aldehyde forms an eight-carbon unsaturated carbonyl compound via self-aldol condensation?
Pentanal (CH₃CH₂CH₂CH₂CHO) undergoes self-aldol condensation to form 2-propylhept-2-enal (CH₃CH₂CH₂CH₂CH\=C(CH₂CH₂CH₃)CHO), an eight-carbon unsaturated aldehyde.
Ref: NCERT Class 12 Chemistry > Chapter 12: Aldehydes, Ketones and Carboxylic Acids > Topic: Physical Properties and Nucleophilic Addition Reactions