Respuesta :
The structure of 3,3-dimethylhexanamide is attached below.
3,3-dimethylhexanamide has a amide ( -CONH- ) functional group. Further, 3,3-dimethylhexanamide is a lewis base, because of presence of lone pair of electron on nitrogen.
3,3-dimethylhexanamide has a amide ( -CONH- ) functional group. Further, 3,3-dimethylhexanamide is a lewis base, because of presence of lone pair of electron on nitrogen.

Explanation:
In the structure of 3,3-dimethyl hexanamide:[tex]C_5H_{11}-CO-NH_2[/tex]
- There is a chain of 6 carbon atoms in which one carbon terminal of carbon chain is linked to oxygen atom and amine group that is ([tex]NH_2[/tex]).
- On third carbon atom from the functional group side have two methyl groups.
Image is attached in an image.
