Chemistry, asked by chetan9482, 1 year ago

action of soap is due to emulsification and micelle formation. pelase comment?

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Answered by yashu52089
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Answered by Anonymous
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Emulsification and micelle formation determines the cleansing action of soap. Sodium and potassium salts of long-chain fatty acids(R-COO-Na+) is the basic mixture of a soap. Sodium is attached to the end of the molecule, which is polar in nature, while the alkyl-end is non- polar. Thus, a soap molecule contains both polar and non-polar part. i.e. hydrophilic and hydrophobic part respectively.

Micelle is formed when water containing dirt is mixed with soap, the molecules of soap surround the dirt particles in such a manner that the dirt molecule and the hydrophobic part gets attached and the hydrophilic parts point away from the dirt molecule. Thus, non-polar group dissolves in the dirt particle while polar group dissolves in the dirt particle. Now, a stable emulsion is formed as these micelles are negatively charged and they do not coalesce.

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