1. A functional group ¡s an atom or a specific combination of bonded atoms that react in a characteristic way, irrespective of the organic molecule in which it is present
2.
|
|
Molecular Formula |
Functional group |
(a) |
Acetaldehyde |
CH3CHO |
-CHO |
(b) |
Oxalic acid |
 |
-COOH |
(c) |
Dimethyl ether |
CH3-O-CH3 |
-O- |
(d) |
Methylamine |
CH3NH2 |
-NH2 |