Sodium stearate CH?(CH?)??COO?Na? is an anionic surfactant which forms micelles in oil. Choose the correct statement for it from the following:
Sodium stearate CH?(CH?)??COO?Na? is an anionic surfactant which forms micelles in oil. Choose the correct statement for it from the following:
Option 1 -
It forms spherical micelles with CH₃(CH₂)₁₆- group pointing outwards on the surface of sphere.
Option 2 -
It forms non-spherical micelles with -COO⁻ group pointing outwards on the surface
Option 3 -
It forms spherical micelles with CH₃(CH₂)₁₆- group pointing towards the centre of sphere.
Option 4 -
It forms non-spherical micelles with CH₃(CH₂)₁₆- group pointing towards the centre.
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1 Answer
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Correct Option - 4
Detailed Solution:
[Diagram of a micelle formed by sodium stearate in oil]
Spherical micelles forms and hydrocarbon part are water repelling and attracted by oily part.
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