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

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Q. Phenol is heated with phthalic anhydride in the presence of conc. $H_2SO_4$. The product gives pink colour with alkali. The product is

VITEEEVITEEE 2013Alcohols Phenols and Ethers

Solution:

Correct answer is (a) phenolphthalein

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