When phenol reacts with phthalic anhydride in presence of H 2 SO 4 and heated and hot reaction mixture is poured in NaOH solution, then product formed is

Question

When phenol reacts with phthalic anhydride in presence of H 2 SO 4 and heated and hot reaction mixture is poured in NaOH solution, then product formed is (A) alizarin (B) methyl orange (C) fluorescein (D) phenolphthalein

Tardigrade Admin · Accepted Answer

Phenol couples with phthalic anhydride in presence of cone. H2SO4 to form phenolphthalein which is used as an indicator :

Q. When phenol reacts with phthalic anhydride in presence of $H_{2} S O_{4}$ and heated and hot reaction mixture is poured in $N a O H$ solution, then product formed is

alizarin

methyl orange

fluorescein

phenolphthalein

Phenol couples with phthalic anhydride in presence of cone. H₂SO₄ to form phenolphthalein which is used as an indicator :

Q. When phenol reacts with phthalic anhydride in presence of H2​SO4​ and heated and hot reaction mixture is poured in NaOH solution, then product formed is