Question:
Define the following terms:(i) Lyophilic colloid (ii) Zeta potential (iii) Associated colloids
Solution:
- Lyophilic colloids are liquid-loving colloids (Lyo means solvent and philic means loving). When these colloids are mixed with a suitable liquid, a high force of attraction exists between colloidal particles and the liquid.
- The potential difference existing between the surface of a solid particle immersed in a conducting liquid (e.g., water) and the bulk of the liquid.
- Association colloids are micro-heterogeneous systems in which the particles of the colloidal dispersed phase (micelles) are formed by the agglomeration of molecules or ions of the substance dissolved in the dispersion medium.
