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Preparation of Alcohols from Grignard Reagents

Phenol is hea...

Question

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:

A

phenolphthalein

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B

bakelite

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C

salicylic acid

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D

flurorescein

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Solution

The correct option is A phenolphthalein
Phenolphthalein gives pink colour with alkali.

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