sentence: Aldehydes have many different properties.
sentences_after: These properties change a lot if the rest of the molecule changes. Smaller aldehydes are more soluble in water. Formaldehyde and acetaldehyde are completely soluble in water. Many aldehydes have strong smells. Aldehydes will break down in air.
concept_name: aldehyde
headings: Aldehyde Physical properties and characterization
categories: Organic compounds Functional groups