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Carbon and its Compounds — Science STD 10 — Question

CBSE BoardEnglish MediumSTD 10ScienceCarbon and its Compounds1 Mark
Question
In a soap micelle, the soap molecules are arranged radially with:
  1. Ionic ends directed towards the centre and hydrocarbon ends directed outwards.
  2. Hydrocarbon ends directed towards the centre and ionic ends directed outwards.
  3. Both ionic ends and hydrocarbon ends directed toward the centre.
  4. Both hydrocarbon ends and ionic ends directed outwards
✓

Answer

  1. Hydrocarbon ends directed towards the centre and ionic ends directed outwards.

Explanation:

In a soap micelle, the soap molecules are arranged radially with the hydrocarbon ends, i.e. hydrophobic, directed towards the centre; and, ionic ends, i.e. hydrophilic, directed outwards.

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