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Question
Which phenomenon occurs when an electric field is applied to a colloidal solution and electrophoresis is prevented?
Which phenomenon occurs when an electric field is applied to a colloidal solution and electrophoresis is prevented?
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Solution
The correct option is D Electroosmosis takes place.
The movement of the colloidal particles in the presence of an electric field is called electrophoresis.
When this movement is prevented by some suitable means, it is observed that the whole dispersion medium begins to move in an electric field. This is known as electroosmosis.
Hence, (B) and (C) are correct
Electroosmosis takes place.
The movement of the colloidal particles in the presence of an electric field is called electrophoresis.
When this movement is prevented by some suitable means, it is observed that the whole dispersion medium begins to move in an electric field. This is known as electroosmosis.
Hence, (B) and (C) are correct
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