Question

what is .cleansing action of soap

Answer 1

Most of the dirt is oily in nature and oil does not dissolve in water. show the molecules of soap constitutes of Sodium (Na) and potassium (K) of long chain Carboxylic acids (CH3COOH).
so in this case the soap consist of carbon chain dissolves with the oily dirt.

When soap is dissolved in water the Micelle formation takes place because the hydrocarbon Chains of soap molecules and hydrophobic means water repeling which are insoluble in water, but the ionic ends of soap molecule are hydrophilic means water attracting and hence soluble in water.

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Answer 2

The molecules of soap are Na or k salts of long chain carboxylic acids.When we dissolve soap in water , the soap molecules form groups called micelles . In the micelles the arrangement of soap molecules is such that the hydrophobic hydrocarbon chains are towards the centre and away from water. These chains get attached to the dirt. the ionic part of the molecules (-----COONa+) remain in water and draws out the dirt from the clothes..
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