Q. Which of the following forms cationic micelles above certain concentration?
A) Urea
B) Sodium dodecyl sulphate
C) Sodium acetate
D) Cetyltrimethylammonium bromide
Explanation
(d)
$R\left( {NH}_{3} \right)_{3}\ Br\ \rightarrow R\left( {NH}_{3} \right)_{3}^{+} + {Br}^{-}$
Alkyl trimethyl ammonium ions aggregates to form cationic micelles
Reviewed by Dr. Abubacker
Physics Educator & NEET/JEE Specialist
Ph.D. in Physics with 19+ years of teaching experience.