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MHT CET20226 Aug 2022Evening ShiftChemistryCarboxylic Acid DerivativesActual

Which among the following reactions forms acid anhydride?

Options

  1. AR - COOH treated with NaHCO _ 3( aq )
  2. BR - COOH treated with PCl ₅
  3. CR - COOH (excess) heated in presence of P ₂ O ₅
  4. DR - COOH treated with R ^ - OH and heated

Correct answer

C. R - COOH (excess) heated in presence of P ₂ O ₅

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