Question
Explain micelle formation in soap solution.

Answer

  • Soap molecule has a long hydrophobic hydrocarbon chain called tail which is attached to hydrophilic ionic carboxylate group, called head.
  • In water, the soap molecules arrange themselves to form spherical particles that are called micelles.
  • In each micelle, the hydrophobic tails of soap molecules point to the centre and the hydrophilic heads lie on the surface of the sphere.
  • As a result of this, soap dispersion in water is stable.

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