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In the diazotisation of anline with sodi...

In the diazotisation of anline with sodium nitrite and hydrochloride 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

Text Solution

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The correct Answer is:
A
To suppress the concentration of the aniline available for coupling otherwise coupling occurs.
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