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At the critic...

Question

At the critical micelle concentration, the surfactant molecules:

A

decompose

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B

dissociate

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C

associate

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D

become completely soluble

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Solution

The correct option is C associate
The micelles are formed by the association of dispersed particles above a certain concentration which is known as critical micelle concentration. Above CMC , the surfactant molecules associate to form a larger aggregate.

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