Write the general formula of aldehyde and ketones.

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Solution

Dear Student,

The general formula of Aldehyde & Ketone is $C_{n} H_{2 n} O$ .

Aldehyde: They are the carbon compounds containing (-CHO group) attached to the carbon atom.

IUPAC name of aldehydes Formula

Methanal HCHO

Ethanal CH₃CHO

Propanal CH₃CH₂CHO

Butanal CH₃CH₂CH₂CHO

Ketones: Ketones contain (-CO- group). This group always occur at the middle of a carbon atom.

IUPAC name of Ketones Formula

Propanone CH₃COCH₃

Butanone CH₃COCH₂CH₃

Pentanone CH₃COCH₂CH₂CH₃

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IUPAC name of aldehydes	Formula
Methanal	HCHO
Ethanal	CH₃CHO
Propanal	CH₃CH₂CHO
Butanal	CH₃CH₂CH₂CHO

IUPAC name of Ketones	Formula
Propanone	CH₃COCH₃
Butanone	CH₃COCH₂CH₃
Pentanone	CH₃COCH₂CH₂CH₃