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Question

Which of the following forms cationic micelles above a certain minimum concentration?

A
Sodium dodecyl sulphate
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B
Sodium acetate
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C
Urea
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D
Cetyl trimethyl ammonium bromide
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Solution

The correct option is B Cetyl trimethyl ammonium bromide
Alkyl trimethyl ammonium ions aggregate to form cationic micelles.

Cetyl trimethyl ammonium bromide forms cationic micelles above a certain minimum concentration.

Hence, option D is correct.

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