Q. During diazotization of benzenamine with sodium nitrite and hydrochloric acid, the excess of hydrochloric acid is used primarily to
A) Check the hydrolysis of $\phi - OH$
B) Ensure a stoichiometric amount of nitrous acid
C) Check the concentration of free aniline
D) Neutralize any base formed during reaction
Explanation
The correct answer is Option C: Check the concentration of free aniline.
A detailed explanation for this question is being prepared.
Reviewed by Dr. Abubacker
Physics Educator & NEET/JEE Specialist
Ph.D. in Physics with 19+ years of teaching experience.