Ncert Exercises & Solutions

Which of the following is a 3 $°$ amine?

1. 1-methylcyclohexylamine

2. Triethylamine

3. tert-butylamine

4. N-methylaniline

Hint: Three alkyl groups are attached to nitrogen

The structure of given amines are as follows

Hence, triethylamine is tertiary amine. The option 2 is correct.