Question
Question: In the diazotisation of aniline with sodium nitrite and hydrochloric acid, an excess of hydrochloric...
In the diazotisation of aniline with sodium nitrite and hydrochloric acid, an excess of hydrochloric acid is used primarily to
A
Suppress the concentration of free aniline available for coupling
B
Suppress hydrolysis of phenol
C
Insure a stoichiometric amount of nitrous acid
D
Neutralize the base liberated
Answer
Suppress the concentration of free aniline available for coupling
Explanation
Solution
To supress the concentration of the aniline available for coupling other rise coupling occurs.