Which one of the following statements is not correct ?

Options

A. The process of setting down of colloidal particles is coagulation
B. The mass in milligrams or lyophilic sol which protects the coagulates of 10 mL of a gold sol on adding 1 mL of 10% NaCl solution is its gold number
C. The layer of positive or negative charge aquired by selective adsorption of ion on the surface of a colloidal particle is electrokinetic potential
D. The potential difference between the fixed layer on the colloidal particles and the diffused layer of opposite charge is zeta potential

Answer

C

Explanation

Among the given statements, only statement (c ) is incorrect while rest all the statements are correct. The correct explanation of it is as follows :
The layer of positive or negative charge aquired by selective adsorption of ion on the surface of a colloidal particle is know as adsorption layer.