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JEE Main 2023 — Chemistry in Everyday Life Question with Solution

JEE Main 2023 (10 Apr Shift 2)

Question

The reaction used for preparation of soap from fat is :

Choose an option

Show full solutionCorrect option: C
Correct answer
CAlkaline hydrolysis reaction 

Step-by-step explanation

The reaction used for preparation of soap from fat is not alkaline hydrolysis, but rather saponification. In saponification, a triglyceride (fat or oil) is reacted with a strong base, such as sodium hydroxide (or potassium hydroxide, in the presence of heat to produce soap molecules and glycerol as a byproduct. The reaction involves the hydrolysis of the ester bond in the triglyceride by the base to form carboxylate ions (the soap molecules) and glycerol.

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About this question

This is a previous-year question from JEE Main 2023, covering the Chemistry in Everyday Life chapter of Chemistry. PrepSharp catalogues every PYQ from JEE Main with a verified answer key and step-by-step solution prepared by IIT alumni — so you can search by chapter, topic or year and revise efficiently.