ester

• What is the key feature of esters?

  They have a COO group
• What is the functional group of esters called?

  COO group
• How are the smells of esters typically described?

  As sweet or fruity
• What does it mean for esters to be volatile?

  They evaporate easily
• In what products are esters commonly found?

  Perfumes and food flavorings
• What two substances are needed to make an ester?

  A carboxylic acid and an alcohol
• What is the name of the ester formed from ethanoic acid and ethanol?

  Ethyl ethanoate
• What is the role of an acid catalyst in ester formation?

  To speed up the reaction
• What acid is commonly used as a catalyst in ester formation?

  Concentrated sulfuric acid
• What happens to the carboxylic acid during ester formation?

  It loses its OH group
• What is formed as a byproduct of the ester formation reaction?

  A water molecule
• What does the alcohol lose during the ester formation reaction?

  Hydrogen from its OH group
• What alternative name can be used for the COO group in esters?

  Esther link
• What are the key properties and uses of esters?

  • Key properties:
  • COO functional group
  • Pleasant smells (sweet or fruity)
  • Volatile (evaporate easily)
  • Common uses:
  • Found in perfumes
  • Used in food flavorings
• What is the process of forming an ester from a carboxylic acid and an alcohol?

  1. Combine carboxylic acid and alcohol
  2. Use an acid catalyst (e.g., concentrated sulfuric acid)
  3. Carboxylic acid loses OH group
  4. Alcohol loses H from OH group
  5. Water molecule is formed as byproduct