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Alcohols, Phenols And Ethers

Question
CBSEENCH12010272

How do you convert the following:

(i) C6H5CONH2 to C6H5NH2

(ii) Aniline to phenol

(iii) Ethanenitrile to ethanamine

Solution

Ti) o convert Benzamide to aniline:

Benzamide on heating with a mixture of Br₂ in presence of NaOH or KOH (i.e. NaOBr or KOBr) is given aniline.

 

ii) Aniline first converts to diazonium salt using NaNO2/HCl at 0-5 degree C, Then diazonium ion reacts with the water at 100 degrees C to produced phenol

 

(iii)