Which phenomenon occurs when an electric field is applied to a colloidal solution and electrophoresis is prevented?
(i) Reverse osmosis takes place.
(ii) Electroosmosis takes place.
(iii) Dispersion medium begins to move.
(iv) Dispersion medium becomes stationary.
The answer is the option (ii, iii) When an electric field is applied to a colloidal solution and electrophoresis is prevented electroosmosis takes place.