1.

Which of the following plot correctly represents the variation of a concentration of a surfactant (e.g., sodium dodecyl sulphate) versus molar conductivity with regard to behavior art CMC

Answer»




Solution :The molar CONDUCTIVITY veries as shown in plot (a). With INCREASE in concentration below CMC, molar conductivity keeps on decreasing. After CMC, the decrease becomes steeper and a DISCONTIUNITY is observed at CMC.


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