Question:

The compound insoluble in acetic acid is

Updated On: Jun 14, 2022
  • calcium oxide
  • calcium carbonate
  • calcium oxalate
  • calcium hydroxide
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The Correct Option is C

Solution and Explanation

$CaC_2 0_4$ is insoluble in acetic acid. This distinguishes $Ca^{2+}$ from $Ba^{2+}$ ion.
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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