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Q.

 

Convert phenol into in Picric acid 

 

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Detailed Solution

  • With concentrated nitric acid, phenol is converted to 2,4,6-trinitrophenol. 
  • The product is commonly known as picric acid. 
  • The yield of the reaction product is poor.
  • Nowadays, picric acid is prepared by treating phenol first with concentrated sulphuric acid, which converts it to phenol-2,4-disulphonic acid, and then with concentrated nitric acid to get 2,4,6-trinitrophenol.Question Image
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