Nitrogen Containing Compounds Question 32
Question: In the diazotization of aniline with sodium nitrite and hydrochloric acid, an excess of hydrochloric acid is used primarily to:
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:
[a] In diazotization of aniline with $ NaNO_2 $ and HCl an excess of HCl is used to suppress the concentration of aniline available for coupling.
BETA
