Nitrogen Containing Compounds Question 121
Question: In the diazotisation of aniline with sodium nitrite and hydrochloric acid, an excess of hydrochloric acid is used primarily to [Pb. PMT 1998]
Options:
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
Show Answer
Answer:
Correct Answer: A
Solution:
To supress the concentration of the aniline available for coupling other rise coupling occurs.
BETA
