Q60 of 77 Page 188

Write following conversions:

(i) nitrobenzene → acetanilide


(ii) acetanilide → p-nitroaniline


(i) nitrobenzene → acetanilide



Nitrobenzene is reduced to aniline in the presence of Sn/HCl. The amino group of aniline is then acetylated with acetic anhydride in the presence of pyridine.


(ii) acetanilide → p-nitroaniline



Acetanilide is allowed to react with nirating mixture to form p-Nitroacetanilide. P-nitroacetanilide is then converted to p-nitroaniline by hydrolysis.


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58

Identify A and B in the following reaction.


 59

How will you carry out the following conversions?

(i) toluene → p-toluidine


(ii) p-toluidine diazonium chloride → p-toluic acid


 61

A solution contains 1 g mol. each of p-toluene diazonium chloride and pnitrophenyl diazonium chloride. To this 1 g mol. of alkaline solution of phenol is added. Predict the major product. Explain your answer.

 62

How will you bring out the following conversion?