Chemistry · 2021
JEE Main · 26 August 2021, Shift 2 · Q50
Which one of the following phenols does not give colour when condensed with phthalic anhydride in presence of conc. H_2 SO_4?
Which one of the following phenols does not give colour when condensed with phthalic anhydride in presence of conc. $\displaystyle \mathrm{H}_2 \mathrm{SO}_4$ ?
Official answer
(4)
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