Chemistry, asked by starmadden7873, 1 month ago

phenopthalin derived from​

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Answered by asifeqbal0098
1

Explanation:

Phenolphthalein, which is closely related to the triphenylmethane dyes, was discovered in 1871 by the German chemist Adolf von Baeyer, who prepared it by fusing phenol and phthalic anhydride in the presence of sulfuric acid or zinc chloride, the procedure still employed.

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