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Question
Which of the following options are correct?
Options:
A .  Micelle formation by soap in aqueous solution is possible at all temperatures.
B .  Micelle formation by soap in aqueous solution occurs above a particular concentration.
C .  On dilution of soap solution micelles cannot revert to individual ions.
D .  Soap solution behaves as a normal strong electrolyte at all concentrations.
Answer: Option B
:
B
The formation of micelles takes place only above a particular temperature called ‘Krafft Temperature’ and only above a particular concentration called ‘Critical micelle concentration’.
On dilution of soap solution micelles revert to individual ions.

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