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  3. Chemistry
  4. STATEMENT-1 :Micelles are formed by surfactant molecules above the critical micellar concentration (CMC). because STATEMENT-2: The conductivity of a solution having surfactant molecules decreases sharply at the CMC

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Q. STATEMENT-1 :Micelles are formed by surfactant molecules above the critical micellar concentration (CMC).
because
STATEMENT-2 : The conductivity of a solution having surfactant molecules decreases sharply at the CMC

JEE AdvancedJEE Advanced 2007

Solution:

Micelles are the cluster or aggregated particles formed by association of colloids in the solution. The formation of micelles takes place only above a particular temperature called Kraft temperature (TK) and above a particular concentration called critical micelle concentration (CMC). The micelles may contain about 100 molecules or more. The conductivity of the solution decreases sharply at the CMC.