Question:

If dichloromethane (DCM) and water ${(H_2O)}$ are used for differential extraction, which one of the following statements is correct ?

Updated On: Jun 29, 2024
  • DCM and ${(H_2O)}$ would stay as lower and upper layer respectively in the S.F.
  • DCM and ${(H_2O)}$ will be miscible clearly
  • DCM and ${(H_2O)}$ would stay as upper and lower layer respectively in the separating funnel (S.F.)
  • DCM and ${(H_2O)}$ will make trubid/colloidal mixture
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The Correct Option is A

Solution and Explanation

Answer (a) DCM and ${(H_2O)}$ would stay as lower and upper layer respectively in the S.F.
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Top Questions on Methods Of Purification Of Organic Compounds

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Concepts Used:

Purification of Organic Compounds

We commonly use these methods for the purification of substances:

  • Simple crystallization - The most common method that we use to purify organic solids.
  • Fractional crystallization - It is the process of separation of different components of a mixture by repeated crystallisations.
  • Sublimation - Certain organic solids on heating directly change from solid to vapor state without passing through a liquid state. These substances are sublimable. This process is sublimation.
  • Simple distillation - It is the joint process of vaporization and condensation.
  • Fractional distillation - It is the process to separate a mixture of two or more miscible liquids which have boiling points close to each other
  • Distillation under reduced pressure
  • Steam distillation
  • Azeotropic distillation
  • Chromatography