Question

What reagents are used to make soaps?

   What reagents are used to make soaps?

Holt: Modern Chemistry

Holt: Modern Chemistry

Mickey Sarquis,… 1st Edition

Chapter 23, Problem 6

Instant Answer

Solved by Expert Julie Guaglianone

07/12/2020

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These can be fats, oils, or fatty acids. These lipids are the main ingredient in soap and provide the cleaning properties. Show more…

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What reagents are used to make soaps?

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Key Concepts

Fatty Acids

Fatty acids are long-chain carboxylic acids that are released from triglycerides during saponification. When these fatty acids react with a strong alkali, they form their respective salts, which constitute the soap. These salts are effective in reducing surface tension and emulsifying oils and dirt.

Strong Alkalis

Strong alkalis, such as sodium hydroxide or potassium hydroxide, are critical reagents in soap making. They provide the necessary hydroxide ions that break the ester bonds in triglycerides during the saponification process, leading to the formation of soap and glycerol.

Triglycerides

Triglycerides are molecules composed of glycerol bound to three fatty acid chains and are the primary constituents of fats and oils. These compounds serve as the substrate in the saponification reaction, wherein they are broken down by the action of an alkali to yield soap.

Saponification

Saponification is the chemical process by which fats or oils (triglycerides) react with a strong base to produce soap and glycerol. This reaction involves the hydrolysis of the ester bonds in the triglycerides, resulting in the formation of fatty acid salts, which are the active soap molecules, and glycerol as a byproduct.

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