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Carbon and its Compounds — Science STD 10 — Question

CBSE BoardEnglish MediumSTD 10ScienceCarbon and its Compounds1 Mark
MCQ
In the soap micelles :
  • ✓
    The ionic end of soap is on the surface of the cluster while the carbon chain is in the interior of the cluster.
  • B
    Ionic end of soap is in the interior of the cluster and the carbon chain is out of the cluster.
  • C
    Both ionic end and carbon chain are in the interior of the cluster.
  • D
    Both ionic end and carbon exterior of the cluster.
✓

Answer

Correct option: A.
The ionic end of soap is on the surface of the cluster while the carbon chain is in the interior of the cluster.
A 'spherical aggregate of soap molecules' in the soap solution in water is called a 'micelle'. In a soap micelle, the soap molecules are arranged readily with hydrocarbon ends directed towards the centre and ionic ends directed outwards.

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