When phenol reacts with phthalic anhydride in presence of H₂SO₄ and heated

When phenol reacts with phthalic anhydride in presence of H₂SO₄ and heated and hot reaction mixture is poured in NaOH solution, then product formed is

Options

(a) alizarin
(b) methyl orange
(c) fluoresceine
(d) phenolphthalein

Correct Answer:

phenolphthalein

Explanation:

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