CBSENEETJEEClass 12
What is an aldehyde?
Answer
An aldehyde is an organic compound containing the –CHO functional group, where a carbonyl carbon is bonded to at least one hydrogen atom.
The working
Definition
An aldehyde contains the aldehyde functional group –CHO, having a carbonyl group joined to a hydrogen atom.
General formula
Aldehydes have the general formula R–CHO, where R is a hydrogen atom or an alkyl or aryl group.
Examples
Methanal (HCHO) and ethanal (CH₃CHO) are the simplest members of the aldehyde family.
Property
Aldehydes are easily oxidised and give a positive Tollens test, forming a silver mirror.
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