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#aldehydes

3 public questions tagged with this topic.

Which compound has the highest boiling point among aldehydes with five carbon atoms?

Pentanal (CH₃CH₂CH₂CH₂CHO), a straight-chain aldehyde, has stronger dipole-dipole interactions than branched isomers like 2-methylbutanal, giving it the highest boiling point.

Ref: NCERT Class 12 Chemistry > Chapter 12: Aldehydes, Ketones and Carboxylic Acids > Topic: Reactions due to α-Hydrogen - Aldol, Cannizzaro and Acidity of Carboxylic Acids

Which aldehyde reacts with itself under basic conditions to form a β-hydroxy aldehyde with six carbons?

Butanal (CH₃CH₂CH₂CHO) undergoes self-aldol condensation to form 2-ethyl-3-hydroxyhexanal (CH₃CH₂CH₂CH(OH)CH(CH₂CH₃)CHO), a six-carbon β-hydroxy aldehyde.

Ref: NCERT Class 12 Chemistry > Chapter 12: Aldehydes, Ketones and Carboxylic Acids > Topic: Nomenclature, Structure and Preparation of Aldehydes and Ketones