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Question:

Choose the correct reason(s) for the stability of the lyophobic colloidal particles. Preferential adsorption of ions on their surface from the solution. Preferential adsorption of solvent on their surface from the solution. The attraction between different particles having opposite charges on their surface. The potential difference between the fixed layer and the diffused layer of opposite charges around the colloidal particles.

Preferential adsorption of solvent on their surface from the solution

The potential difference between the fixed layer and the diffused layer of opposite charges around the colloidal particles

The attraction between different particles having opposite charges on their surface

Preferential adsorption of ions on their surface from the solution

Solution:

The correct reasons for the stability of the lyophobic colloidal particles are the following:
(A) Preferential adsorption of ions on their surface from the solution. The repulsion between the particles carrying the same charge keeps them separated. The particles do not come close together to form large particles that will precipitate out
(D) The potential difference between the fixed layer and the diffused layer of opposite charges around the colloidal particles.