Phenol is heated with phthalic anhydride in the presence of conc. H2SO4. The product gives pink colour with alkali. The product is

Question

Phenol is heated with phthalic anhydride in the presence of conc. H2SO4. The product gives pink colour with alkali. The product is (A) phenolphthalein (B) bakelite (C) salicylic acid (D) fluorescein

Tardigrade Admin · Accepted Answer

Correct answer is (a) phenolphthalein

Q. Phenol is heated with phthalic anhydride in the presence of conc. H2​SO4​. The product gives pink colour with alkali. The product is

phenolphthalein

bakelite

salicylic acid

fluorescein

Correct answer is (a) phenolphthalein

Q. Phenol is heated with phthalic anhydride in the presence of conc. $H_{2} S O_{4}$ . The product gives pink colour with alkali. The product is