Esters

• Esters

  A) Ester link

  
• How esters are made:

  A) Ethanoic acid

  B) Ethanol

  C) Ethyl ethanoate

  D) water

  
• Pleasant smells in esters are used in perfumes and food flavourings
• Catalyst of sulphuric acid is normally used in the making of esters
• Carboxylic acids can react with alcohols to make esters.
• Esters functional group:

  COO
• alcohol + carboxylic acid → ester + water
• In a solution of a strong acid, the molecules are fully ionised, but in a weak acid, very few of the molecules are ionised.