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Surface Chemistry — Chemistry STD 12 Science — Question

Gujarat BoardEnglish MediumSTD 12 ScienceChemistrySurface Chemistry3 Marks
Question
Define the following terms:
  1. Lyophilic colloid.
  2. Zeta potential.
  3. Associated colloids.
✓

Answer

  1. Liquid loving/solvent loving.
  2. Potential difference between the fixed layer and diffused/double layer of opposite charges.
  3. Some substances at higher concentration exhibit colloidal behaviour due to formation of aggregates. The aggregated particles thus formed are called associated colloids or micelles.

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