JEE Main 2020ChemistrySurface ChemistryMediumMCQ

JEE Main 2020Surface Chemistry Question with Solution

JEE Main 2020 (05 Sep Shift 1)

Question

Identify the correct molecular picture showing what happens at the critical micellar concentration (CMC) of an aqueous solution of a surfactant

Choose an option

Show full solutionCorrect option: A
Correct answer
A(D)

Step-by-step explanation

In micelle formation, above "CMC" hydrocarbon chains are pointing towards the centre of sphere with
COO- part remaining outward on the surface.

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About this question

This is a previous-year question from JEE Main 2020, 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.