What is the rol of HNO₃ in the nitrating mixture used for nitration of benzene?

2

(a)

Why is NH₂ group of aniline acetylated before carrying out nitration?

2

(a)

What is the product when C₆H₅CH₂NH₂ reacts with NHO₂?

2

(a)

What is the best reagent to convert nitrile to primary amine?

2

(a)

What is Hinsberg reagent?

2

(a)