1.

In the diazotisasation of aniline with sodium nitrite and hydrochloric acid, the excess of hydrochloric acid is used primarily to :

Answer»

Supress the concentration of free ANILINE
Supress the HYDROLYSIS to phenol
Ensure a stoichiometric AMOUNT of nitrous ACID and HCl
Neutralise the base liberated

Answer :B


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