Phenomenon that occurs when an electric field is applied to a colloidal solution and electrophoresis is prevented-

a.  Reverse osmosis takes place

b.  Electroosmosis takes place

c.  Dispersion medium begins to move

d. Dispersion medium becomes stationary

The correct choice among the given is -


1. (a, b)
2. (b, c)
3. (c, d)
4. (a, d)