Best answer: What happen when B electric field is applied to colloidal solution?

Answer: When electric potential is applied to colloidal solution, the colloidal particles move towards one or other electrode. Positively charged particles move towards the cathode while negatively charged particles move towards the anode.

What happen when a dialysis is prolonged b electric field is applied to colloidal solution?

What happens when dialysis is prolonged? Solution: On prolonged dialysis, traces of electrolytes which stabilise the colloids, are completely removed. It makes the colloid unstable causing coagulation.

What happens to colloidal solution when the charges are neutralized?

When the charges are neutralized the particles may collide and bond to each other. … The colloidal particles are neutralized by the oppositely charged electrolyte ions. The destabilization of an lyophobic colloid occurs at the electrolyte concentrations exceeding the value of the critical coagulation concentration.

What makes colloidal solution stable?

A colloid is stable if it does not get coagulated easily. – The dispersed phase and dispersion medium have charges present on them. Colloidal particles form a sheath of charge on themselves thereby preventing any attraction between opposite charges. … These colloids are quite stable as they are extensively solvated.

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What is the colloidal solution explain?

Colloidal solutions, or colloidal suspensions, are nothing but a mixture in which the substances are regularly suspended in a fluid. A colloid is a very tiny and small material that is spread out uniformly all through another substance. … However, a colloidal solution usually refers to a liquid concoction.

What happens when dialysis of a colloidal solution is prolonged?

What happens when persistent dialysis of colloidal solution is carried out? The stability of a colloidal sol is due to the presence of a small amount of the electrolyte. On persistent dialysis, the electrolyte is completely is completely removed. As a result, the colloidal sol becomes unstable and gets coagulated.

What happens when dialysis is prolonged Class 12 chemistry?

Due to this removal of electrolytes, the colloidal particles become unstable and will lead to the process of coagulation.

Why colloidal particles are charged particles?

(1) Due to the dissociation of the surface molecules : Some colloidal particles develope electrical charge due to the dissociation / ionisation of the surface molecules. … The charge on the colloidal particles is balanced by the oppositely charged ions in the sol.

What is the charge on colloidal particles?

Colloidal particles adsorb ions and thus becomes electrically neutral.

Why do colloidal particles always carry an electric charge?

Section A ead the given passage and answer the questions 1 to 5 that follow: Colloidal particles always carry an electric charge. The origin of the charge on the sol particles in me cases is due to the preferential adsorption of either positive or negative tons on their surtace.

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What is the reason for the movement of colloidal particles towards cathode in an electric field?

Answer: The colloidal particles moves towards the cathode in electric field. as they have negative charge and cathode have positive charge and they moves from negative charge to positive charge.

Why do colloidal solutions exhibit tyndall effect?

The term Tyndall effect is usually applied to the effect of light scattering on particles in colloid systems, such as suspensions or emulsions. … Since, colloids have particles in them which scatter the passed light, they show tyndall effect.

CAN colloid be separated by filtration?

Colloids are unlike solutions because their dispersed particles are much larger than those of a solution. The dispersed particles of a colloid cannot be separated by filtration, but they scatter light, a phenomenon called the Tyndall effect .