Lyophilic sols are more stable than lyophobic sols because
The colloidal particles have positive charge
The colloidal particles have no charge
The colloidal particles are solvated
There are strong electrostatic repulsions between the negatively charged colloidal particles.
Lyophilic sols are more stable than lyophobic sols because in this case, colloidal particles are solvated.
Which of the following is/are correct ? i) lyophobic sols are less stable ii) lyophilic sols are reversible iii) lyophobic sols are coagulated by adding electrolytes iv) lyophobic sols are more hydrated