Question

Why cmc decreases with increase in temperature?​

Answer 1

Answer:

For each surfactant, as the system temperature increases, the CMC initially decreases and then increases, owing to the smaller probability of hydrogen bond formation at higher temperatures. The onset of micellization tends to occur at higher concentrations as the temperature increases.

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Answer 2

Answer:

CMC - Critical Micelle Concentration decreases with increase in temperature because, as temperature rises, the probability of hydrogen bond formation decreases, hence decreasing formation of micelle.

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