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Adsorption and Colloids — Chemistry STD 11 Science — Question

Maharashtra BoardEnglish MediumSTD 11 ScienceChemistryAdsorption and Colloids2 Marks
Question
Why is it necessary to purify colloidal solutions?
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Answer

  • Colloidal solution generally contains excessive amount of electrolytes and some other soluble impurities.
  • A small quantity of an electrolyte is necessary for the stability of colloidal solution, however, a large quantity of electrolyte may result in coagulation.
  • It is also necessary to reduce soluble impurities.
Hence, it is necessary to purify colloidal solutions.

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