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Question: Answered & Verified by Expert
Assertion : The micelle formed by sodium stearate in water has $-\mathrm{COO}^{-}$groups at the surface. Reason : Surface tension of water is reduced by the addition of stearate.
ChemistrySurface ChemistryAIIMSAIIMS 2003
Options:
  • A If both assertion and reason are true and the reason is the correct explanation of the assertion
  • B If both assertion and reason are true and the reason is not the correct explanation of the assertion
  • C If assertion is true but reason is false
  • D If both assertion and reason are false.
Solution:
1192 Upvotes Verified Answer
The correct answer is: If both assertion and reason are true and the reason is not the correct explanation of the assertion
Micelle is formed if molecules with polar and non-polar ends assemble in bulk to give nonpolar interior and polar exterior.

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