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Esterification of alchol with acyl chloride

Submitted by desmond on Thu, 07/31/2014 - 12:43

why does the esterification of alchol with carboxylic acid need catalyst (namely h2so4) but the esterification of alchol with acyl chloride dont need catalyst? 


i was told that 

  • Acid chlorides (R-COCl)are a much more reactive species than carboxylic acids(R-COOH) .

    R-COCl > R-COOH  
     
    but why?