Explain the mechanism of the cleansing action of soaps.
Answers
Answer:
When soap is added to an oily or greasy part of cloth, the hydrocarbon part of soap dissolves in oil, keeping the head away from the oil. Big molecules of oil and soap break by rubbing into small emulsified oil droplets in water, which are washed away by stream of water.
Explanation:
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Heya, buddy !!
We know that, generally Soaps are sodium salts which are made by the salts of fatty acids. They are used in cleaning oil and dirt. Soaps are also used as thickeners, components of lubricants in many industries.
➦Example of soap is sodium stearate.
➦The structure of a soap molecule consists of two parts:
A hydrophilic part which means water loving part. This part is polar in nature and shows affinity for water molecules. It is smaller in size as compared to the other part.
➦A hydrophobic part which means water hating or water repelling part. This part is non-polar in nature and does not show any affinity for water molecules. It contains a long hydrocarbon chain and is greater in size.
Cleansing action of soap
➦When soap is added to dirty water then the hydrophobic part of the soap gets attached to the dirt while the hydrophilic part remains in contact with the water molecules. Due to this arrangement the soap molecules form micelles and trap the dirt at the center. The micelles do not precipitate and maintain their identity due to charge repulsions and remain suspended in the water. This forms a colloidal solution and the trapped dirt can be easily rinsed off. This is how the mechanism of cleansing action of soap works
Know more :
➦The Soaps have the ability to lower the surface tension of water and form an emulsion with the oily dirt present in water. Soaps are biodegradable in nature whereas detergents are non-biodegradable.
Soaps should not be confused with detergents. They are not the same. They have some different properties as well.
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