1.

Phenol overset( conc. H_2SO_4 )toA overset( Conc .HNO_3) to BHereA and B are respectively.

Answer»

<P>P- Hydroxy benzenesulphonic acid, P- NITROPHENOL
4- Hydroxybenzene -1,3- dislphonic acid, picric acid
4- Hydroxybenzene -1,3 disulphonic acid, 2,4- dinitrophenol
3-Hydroxybenzenesulphonic acid , picric acid

Answer :B


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