Haloalkane 1.2.2

• What is the first practical skill mentioned in A Level Chemistry?

  Development of Practical Skills in Chemistry
• What is the purpose of a separating funnel in the synthesis of a haloalkane?

  To clean and isolate the product
• How much 2-methylpropan-2-ol is measured for the synthesis?

  8 cm³
• Why should hydrochloric acid be added in small portions?

  To prevent excessive pressure buildup
• How long should the separating funnel stand after adding hydrochloric acid?

  20 minutes
• What is the purpose of adding sodium hydrogen carbonate solution?

  To remove acidic impurities
• What temperature range should the distillate be collected in?

  47 - 53 °C
• What is the overall process of synthesizing a haloalkane from an alcohol?

  Measure alcohol, add acid, separate layers
• What is the role of anhydrous magnesium sulfate in the synthesis?

  To remove water from the organic layer
• Who is the author of the revision notes?

  Philippa Platt
• What is the significance of the reviews mentioned in the document?

  They highlight the effectiveness of the resources
• What are the steps involved in the synthesis of a haloalkane from an alcohol?

  1. Measure 8 cm³ of alcohol
  2. Add hydrochloric acid in small portions
  3. Shake and allow layers to separate
  4. Dispose of the lower aqueous layer
  5. Add sodium hydrogen carbonate solution
  6. Remove acidic impurities
  7. Add anhydrous magnesium sulfate
  8. Distill the liquid and collect distillate
• What are the key components of the A Level Chemistry practical skills?

  • Development of Practical Skills
  • Organic & Inorganic Practicals
  • Synthesis of a Haloalkane
  • Preparation of Cyclohexene
• What subjects have past papers listed in the document?

  • English Literature
  • French
  • Further Maths
  • Geography
  • German
  • History
  • Religious Studies
  • Spanish
  • Accounting
  • Business Management
  • Economics
  • Psychology
  • Marine Science