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JEE Main Chemistry question

ChemistryAlcohols, Phenols and EthersJEE Main

The phthalein colour-test (formation of a phthalein dye on fusion with phthalic anhydride/conc. H₂SO₄) is characteristic of, and given by,

Answer: (B)

Solution

Fusing a phenol with phthalic anhydride and conc. H₂SO₄ gives the corresponding

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Question ID VK-140053