During electrosmosis of Fe(OH)_3 sol, | vedclass

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Question

(C) Electro-osmosis is a phenomenon where the movement of colloidal particles is prevented by a semi-permeable membrane,and only the dispersion medium

Vedclass · Accepted Answer

Dispersion medium moves towards anode

Vedclass · Answer

(C) Electro-osmosis is a phenomenon where the movement of colloidal particles is prevented by a semi-permeable membrane,and only the dispersion medium is allowed to move under the influence of an applied electric field.$Fe(OH)_3$ sol is a positively charged colloid.To maintain electrical neutrality,the dispersion medium must carry a negative charge.Therefore,under an electric field,the negatively charged dispersion medium moves towards the anode.

During electrosmosis of $Fe(OH)_3$ sol,

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