Why an electric current is passed through a colloidal solution?

Since the colloidal particles are electrically charged, when electric current is passed through a colloid, the colloidal particles move towards the oppositely charged electrode.

When electric current is passed through a colloidal solution?

(iii) When electric current is passed through a colloidal sol, the colloidal particles move towards oppositely charged electrode, where they lose their charge and are coagulated. The process is known as electrophoresis.

When a beam of light is passed through colloidal solution it?

When a beam of light is passed through a colloidal solution, then scattering of light is observed. This is known as the Tyndall effect. This scattering of light illuminates the path of the beam in the colloidal solution.

What is observed when electric current is passed through solution?

(i) On passing electric current through a sol, colloidal particles start moving towards oppositely charged electrode where they lose their charge and get coagulated (electrophoresis). (ii) Scattering of light by the colloidal particles takes place and the path of light becomes visible (Tyndall effect).

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Is passed through a colloidal solution?

Answer: (i) When a beam of light is passed through a colloidal solution, placed in a dark room the beam of light is scattered by the colloidal particles and the path of the beam becomes visible. The phenomenon is called Tyndall effect.

What is hardy Schulze rule?

> Hardy Schulze rule states that the amount of electrolyte required for the coagulation of a definite amount of a colloidal solution is dependent on the valency of the coagulating ion. Coagulating ion is the ion which has the charge opposite to the charge of the colloidal particles).

Which one of the following is not a colloid?

Thus, urea solution is not a colloid.

What happens when light passes through a colloidal solution?

When a strong beam of light is passed through a colloid kept in a dark room, the path of light becomes visible through the colloid. This happens because of the scattering of light by the particles of the colloid, and this is called Tyndall effect.

What happens when a strong beam of light passes through a colloidal solution?

When a beam of light is passed through a colloidal sol, colloidal particles scatter light and we can see the path of light. Thus, Tyndall effect is observed.

When hit by light what happens to a colloidal mixture?

When light is shined through a true solution, the light passes cleanly through the solution, however when light is passed through a colloidal solution, the substance in the dispersed phases scatters the light in all directions, making it readily seen.

What happen when a light is passed through colloidal solution B colloidal solution is placed in electric field?

(i) When a beam of light is passed through a colloidal solution, then scattering of light is observed. … Under the influence of an electric current, the colloidal particles move towards the oppositely charged electrode. When they come in contact with the electrode, they lose their charge and coagulate.

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What happens when electrolyte is added to sol?

(i) If an electrolyte is added to a hydrated ferric oxide sol, the colloidal particles get precipitated due to neutralization of charges.

What happens when direct current is passed through the colloidal sol?

Since the colloidal particles are electrically charged, when electric current is passed through a colloid, the colloidal particles move towards the oppositely charged electrode.

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