The endpoint of the titration corresponds to the formation of which fatty acid?

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Multiple Choice

The endpoint of the titration corresponds to the formation of which fatty acid?

Explanation:
During saponification of fats and oils, alkali breaks the ester bonds of triglycerides to form glycerol and fatty acid salts (soaps). The titration endpoint is reached when all ester bonds have been hydrolyzed, so the soaps present reflect the fatty acid composition of the fat. In many common fats, oleic acid is the most abundant fatty acid, so the soap formed at the endpoint is primarily the sodium salt of oleic acid. After completing the titration, acidifying would liberate oleic acid. Hence, the endpoint corresponds to the formation of oleic acid (as its soap).

During saponification of fats and oils, alkali breaks the ester bonds of triglycerides to form glycerol and fatty acid salts (soaps). The titration endpoint is reached when all ester bonds have been hydrolyzed, so the soaps present reflect the fatty acid composition of the fat. In many common fats, oleic acid is the most abundant fatty acid, so the soap formed at the endpoint is primarily the sodium salt of oleic acid. After completing the titration, acidifying would liberate oleic acid. Hence, the endpoint corresponds to the formation of oleic acid (as its soap).

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