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Describe the preparation of soap. Give the formula of an ordinary washing soap. |
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Answer» Soap: Soap is a sodium or POTASSIUM salt of a fatty acid(stearic acid, oleic acid, PALMITIC acid). Sodium soap is PRESENT in washing soap, while potassium soap is present in bathing soap.Preparation of soap:On heating with sodium hydroxide, vegetable oil or animal fat FORMS a sodium salt of fatty acid and glycerol. This process is known as saponification.vegetable oil or Animal fat + Sodium hydroxide Δ-->Saponification Glycerol + Sodium salt of fatty acid(Soap) |
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