1.

Statement-1.Michlless are formed by surfactant molecules above the cirtical micellar concentration (CMC) Statement-2. The conductivity of a solution having sufficient molecules decreases sharpy at the CMC.

Answer»

Statement-1 is True, Statement-2 is True, Statement-2 is a correct explanation of Statement-1.
Statement-1 is True, Statement-2 is True, Statement-2 is NOT a correct explanation of Statement-1.
Statement-1 is True, Statement-2 is FALSE.
Statement-1 is False, Statement-2 is Ture.

Solution :The formation of micelles TAKES place above CMC. Hence, statement-1 is True, Each micelle contains at LEAST 100 molecules. Hence, CONDUCTIVITY of the solution decreases sharply at the CMC. Hence statement-2 is also True but it is NOT the correct explanation of statement-1.


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