1. Tardigrade
  2. Question
  3. Chemistry
  4. When phenol is heated with phthalic anhydride and H2SO4 , it produces

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Q. When phenol is heated with phthalic anhydride and $H_{2}SO_{4}$ , it produces

NTA AbhyasNTA Abhyas 2020

Solution:

In the presence of conc. $H_{2}SO_{4}$ , two molecules of phenol condense with phthalic anhydride to form phenolphthalein



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