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Electrical Properties of Colloids

The movement ...

Question

The movement of the dispersion medium in an electric field when the dispersed particles are prevented from moving is called:

A

cataphoresis

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B

electrophoresis

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C

electro-osmosis

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D

brownian movement

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Solution

The correct option is C electro-osmosis
The phenomenon involving the migration of the dispersion medium and not the colloidal particles under the influence of an electric field is electro-osmosis.

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