question_answer

\[Aniline+NaN{{O}_{2}}\text{+ }HCl\xrightarrow{{}}X,\]X is:

A)  diazo salt   

B)  dye

C)  polymer    

D)  none of these

Correct Answer: A

Solution :

Primary aromatic amines react with nitrous acid at \[{{0}^{o}}C\] to form diazo salts. This product is extremely reactive and hence is used in synthesizing various compounds.