JEE Main 2022ChemistrySurface ChemistryEasyMCQ

JEE Main 2022 — Surface Chemistry Question with Solution

JEE Main 2022 (25 Jul Shift 2)

Question

For micelle formation, which of the following statements are correct?

(A) Micelle formation is an exothermic process.

(B) Micelle formation is an endothermic process.

(C) The entropy change is positive.

(D) The entropy change is negative.

Choose an option

Show full solutionCorrect option: C
Correct answer
CB & C only

Step-by-step explanation

For micelle formation, ΔS>0 (hydrophobic effect).

This is possible because, the decrease in entropy due to clustering is offset by increase in entropy due to desolvation of the surfactant.

 Also ΔH>0

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About this question

This is a previous-year question from JEE Main 2022, covering the Surface Chemistry 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.