Hydrolysis of Benzonitrile Flashcards
1
Q
Purpose
A
To prepare benzoic acid via basic hydrolysis of benzonitrile
2
Q
Benzonitrile
A
Starting Reagent
3
Q
sodium hydroxide
A
*
4
Q
Water
A
Acts as base
5
Q
hydrochloric acid
A
*
6
Q
benzoic acid
A
product
7
Q
Procedure
A
reflux the reaction, cool the mixture and add HCl dropwise until precipitate forms. suction filtrate.
8
Q
- Why do you test for the evolution of NH3 in step 2 of this procedure? What color should red litmus paper turn if NH3 is present?
A
It would test the production of NH3 which would show the successful hydrolysis of the benzonitrile.
