JEE Main 2022 — Chemistry in Everyday Life Question with Solution
JEE Main 2022 (25 Jun Shift 1)
Question
Using very little soap while washing clothes, does not serve the purpose of cleaning of clothes, because
Choose an option
Show full solutionCorrect option: D
Correct answer
Dthe micelles are not formed due to concentration of soap, below its value.
Step-by-step explanation
Micelle or associate colloid formation occurs above a certain concentration known as CMC. So, if the concentration of soap is less that means it hasn't reached the CMC value. That is why it does not serve the purpose of cleaning of clothes.
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This is a previous-year question from JEE Main 2022, 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.