Past JEE Questions Ch.11 SURFACE CHEMISTRY

JEE Question 2007 Paper I

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.

(A) Statement – 1 is True, Statement – 2 is True; Statement – 2 is a correct explanation for
statement – 1
(B) Statement – 1 is True, Statement – 2 is True; Statement – 2 is Not a correct explanation for
Statement – 1.
(C) Statement – 1 is True, Statement – 2 is False
(D) Statement – 1 is False, Statement – 2 is True

Correct choice: B
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