JEE PYQ: Surface Chemistry Question 17
Question 17 - 2020 (05 Sep Shift 1)
Type: MCQ
Identify the correct molecular picture showing what happens at the critical micellar concentration (CMC) of an aqueous solution of a surfactant (polar head, non-polar tail, water).
(a) (D)
(b) (B)
(c) (A)
(d) (C)
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Answer: 0
Solution
At CMC, above ‘CMC’ hydrocarbon chains are pointing towards the centre of sphere with $\text{COO}^-$ part remaining outward on the surface.
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