Which one of the following phenols does not give colour when condensed with phthalic anhydride in presence of conc. H 2 SO 4 ?

Question

Aicharya · Accepted Answer

Phenol and its derivatives react at para position with phthalic anhydride. In $\mathrm{p}$-cresol para position is blocked. So reaction not possible.

Which one of the following phenols does not give colour when condensed with phthalic anhydride in presence…