Q.
Potassium stearate is obtained by the saponification of an oil or fat. It has the formula
${CH}_{3} - \left( {CH}_{2} \right)_{16} - {COO}^{-}K^{+}$
The molecular has a lyophobic end $\lbrack{CH}_{3}\rbrack$ and a lyophilic end ${COO}^{-}K^{+}.$
Potassium stearate is an example for
A) Lyophobic colloid
B) Lyophilic colloid
C) Multimolecular colloid
D) Associated colloid or micelle
Explanation
(d)
Potassium stearate is an example of associated colloid or micelle.
Reviewed by Dr. Abubacker
Physics Educator & NEET/JEE Specialist
Ph.D. in Physics with 19+ years of teaching experience.