esters

    Cards (3)

    • Esters:
      functional group: -COO → one C=O double bond 
                                                        one C-O bond
      have strong smells, often used in perfumes.
      insoluble (in water).
      eg. ethyl ethanoate.
    • reaction = alcohols + carboxylic acids - ester + water
      ↳ reversible reaction.
          uses condensation.
          requires a sulphuric acid catalyst.
        
    • Naming esters:
      1. Alcohol ’-yl’ 
      2. Carboxylic acid ‘-aote’ 
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