Final answer:
Diethylamine has the chemical formula C4H11N and it consist of two ethyl groups attached to a central nitrogen atom.
Step-by-step explanation:
The structure of diethylamine can be represented by the chemical formula C4H11N.
It consists of two ethyl groups attached to a central nitrogen atom. Each ethyl group is made up of two carbon atoms and total of five hydrogen atoms. The nitrogen atom has one lone pair of electrons.