Nitrogen Compounds

Question 1

What is the general formula of a primary amine ?

Answer 1

Rnh 2, where R is any alkyl group

Question 2

Why can’t reflux be used to form an amine from a halogeno alkane

Answer 2

Ammonia is too volatile so it would escape from the reaction vessel

Question 3

Why is excess ammonia used when forming a primary amine from a halogenoalkane

Answer 3

So that further substituition reactions do not occur

- if ammonia is not in excess then a secondary or tertiary amine or quaternary ammonium salt may form