Extraction Techniques in Chemistry Lab
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Questions and Answers

What is the purpose of using hexane or dichloromethane to extract natural compounds from orange oil?

  • Increase the solubility of the compounds in water
  • Create a polar structure in the extract
  • Increase the density of the final product
  • Enhance the flavor and scent of the extracted compounds (correct)

    • Which layer, when using a separatory funnel, would typically contain DCM (dichloromethane) due to its density?

  • Top layer
  • Bottom layer (correct)
  • Middle layer
  • No specific layer

    • What does the color change from pink to red indicate in this extraction process?

  • The presence of a non-polar compound
  • An increase in solubility
  • The acidity of the solution (correct)
  • The successful separation of organic and aqueous phases

    • What does the Partition/Distribution Coefficient (K) measure in this extraction procedure?

    <p>Equilibrium between two layers for a specific compound</p> Signup and view all the answers

    In terms of molarity, where would you expect a higher concentration of solute during this extraction process?

    <p>In the organic phase</p> Signup and view all the answers

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