3.3.5.3 Elimination

• What is a dehydration reaction?

  Water is removed from an alcohol to yield and alkene
• Dehydration

  Alcohol to alkene
• Reagent for emlimination

  Concentrated phosphoric acid or sulphuric acid
• Use of reagents

  Acts as a catalyst
• Conditions

  Warm gently under reflux
• Hydration

  Alkene to alcohol
• Why does water enter the condenser at the bottom and not the top

  Ensures the condenser fills with water and it is cooler
• Alcohol to alkene

  Elimination