Which one of the following phenols does not give colour when condensed with phthalic anhydride in presence of conc. H2SO4?

Engineering

Chemistry

Chemical reactions of phenol

Question

Which one of the following phenols does not give colour when condensed with phthalic anhydride in presence of conc. H₂SO₄?

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

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