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Phenol, when it first reacts with concentrated sulphuric acid and then with concentrated nitric acid, gives(1)o-nitrcphenol(2) p-nitrophenol (3) nitrobenzene (4)2,4,6-trinitrobenzene

Phenol, when it first reacts with concentrated sulphuric acid and then with concentrated nitric acid, gives(1)o-nitrcphenol(2) p-nitrophenol (3) nitrobenzene (4)2,4,6-trinitrobenzene

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1 Answers

Arun
25750 Points
6 years ago
 

this is the method of formation of picric acid( 2,4,6-trinitrobenzene)

 

first when it reacts with cons sulphuric acid mixure of o-phinol sulphonic acid and p-phenol sulphonic acid forms 

 

and when this mix reacts with cons nitric acid  then picric acid form.

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