Which is not the characteristic of hydrophobic sols?

Options

A. They are highly susceptible to coagulation by addition of electrolytes
B. The have nearly the same surface tension and viscosity as that of dispersion medium
C. Their stability is due to both electric charge and solvation of the particles
D. Sol particles can be seen under ultramicroscope

Answer

C

Explanation

The stability is attributed to electric charge on the sol particles.