alkane
haloalkane
amide
alcohol
ketone
not so much a functional group but it does contain ring structures like benzene
amines, methoxy groups
The functional group of citral is the aldehyde (alkanal) group. It has the structure -CHO
The functional groups present in caffeine are alkene, amide, and amine.
ketone
The functional group of biphenyl is aromatic ring, benzene.
alkyl groups and amino group.
The functional group of citral is the aldehyde (alkanal) group. It has the structure -CHO
The functional groups present in caffeine are alkene, amide, and amine.
urea has a carbonyl functional group present in it i.e C=O
ketone
Propanone (a.k.a. acetone) contains a ketone as a functional group as well as alkane hydrocarbons.
The functional group of biphenyl is aromatic ring, benzene.
phosphate
alkyl groups and amino group.
Carbonyl group either ALDEHYDE or KETONE.
Aldehyde (functional group). The molecule responsible is cinnamaldehyde.
n.An atom or group of atoms, such as a carboxyl group, that replaces hydrogen in an organic compound and that defines the structure of a family of compounds and determines the properties of the family.Read more: functional-group
From its structure, we can see that vanillin does not have a ketone functional group, but it has an aldehyde. It also has a phenol and ether functional group. For that reason, I wouldn't categorize is as just an aldehyde.