`"phenol" overset(conc.H_(2)SO_(4))rarrA overset(conc.HNO_(3))rarrB` Here A and B are respectively.

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`"phenol" overset(conc.H_(2)SO_(4))rarrA overset(conc.HNO_(3))rarrB` Here A and B ... 4-dinitrophenol D. 3-Hydroxybenzene sulphonic acid, picric acid

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