Q. Pick out the wrong statement.
A) Micelles are formed by surfactant molecules above the Critical Micelle Concentration (CMC)
B) The conductivity of a solution having surfactant molecules decreases sharply at the (CMC)
C) Lower is the CMC of detergent, more is its detergency
D) Cleansing action is not related to micelles
Explanation
(d)
Oil and grease are adsorbed into the hydrophobic centre of detergent micelle and washed away.
Reviewed by Dr. Abubacker
Physics Educator & NEET/JEE Specialist
Ph.D. in Physics with 19+ years of teaching experience.