Advertisements
Advertisements
Question
What is electrophoresis?
Advertisements
Solution
Electrophoresis is the migration of electrically charged colloidal particles in one direction under the influence of an electric field.
APPEARS IN
RELATED QUESTIONS
Explain what is observed when an electric current is passed through a colloidal sol?
Explain the term Electrophoresis
The values of colligative properties of colloidal solution are of small order in comparison to those shown by true solutions of same concentration because of colloidal particles ______.
Which of the following statements are correct?
(i) Mixing two oppositely charged sols neutralises their charges and stabilises the colloid.
(ii) Presence of equal and similar charges on colloidal particles provides stability to the colloids.
(iii) Any amount of dispersed liquid can be added to emulsion without destabilising it.
(iv) Brownian movement stabilises sols.
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.
What causes brownian motion in colloidal dispersion?
The important factor in the stabilization of a colloidal solution is ______
State the Hardy-Schulze rule.
Why a negatively charged sol is obtained when AgNO3 solution is added to KI solution?
In order to cause coagulation of 100 ml Arsenious sulphide sol 111.7 mg of 2 M NaCl solution is used, the coagulation value of NaCl will be ______.
