JEE Main202126 Aug 2021Evening ShiftChemistryAlcohols Phenols and EthersActual
Which one of the following phenols does not give colour when condensed with phthalic anhydride in presence of conc. H 2 SO 4 ?
Correct answer
3
Step-by-step solution
Phenol and its derivatives react at para position with phthalic anhydride. In p -cresol para position is blocked. So reaction not possible.