Q. 364.0( 1 Vote )

Under which of th

Answer :

• Direct nitration of aniline is not possible because it gives a mixture of ‘ortho’ and ‘para’ products.

• So acetic anhydride is used to produce acetanilide in order block the ‘ortho’ position activation of aniline and then it undergoes nitration and forms specifically

para-nitro aniline.

Both (i) Acetyl chloride/pyridine followed by reaction with conc. H2SO4 + conc. HNO3.

• (ii) Acetic anyhdride/pyridine followed by conc. H2SO4 + conc. HNO3 reagents can be used for the procedure.

But (iii) Dil. HCl followed by reaction with conc. H2SO4 + conc. HNO3.

(iv) Reaction with conc. HNO3 + conc. H2SO4 cannot produce acetanilide.

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