Q.

Which phenomenon occurs when an electric field is applied to a colloidal solution and electrophoresis is prevented?

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a

Electroosmos is takes Place

b

Dispersion medium becomes stationary

c

Reverse osmosis takes Place

d

Dispersion medium begins to move

answer is B, C.

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Detailed Solution

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The movement of colloidal particles under an applied electric potential is called electrophoresis . When this movement of particles is prevented by some suitable means, it is observed that the dispersion medium begins to move in an electric field. This phenomenon is termed as electro osmosis.

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