Amines

Question 1

How are primary amines formed?

Answer 1

• haloalkanes with excess ethanolic ammonia forms a salt
• then aqueous alkali to form the amine
• ethanol prevents substitution of the haloalkane by water and excess NH3 stops further substitutions

Question 2

How are aromatic amines formed?

Answer 2

• reducing nitroarenes with tin and conc HCL

* (6H+)