During electro-osmosis of Fe(OH)₃ sol — Surface Chemistry Chemistry Question
Question
During electro-osmosis of Fe(OH)₃ sol
Answer: C,D
💡 Solution & Explanation
Fe(OH)₃ is a positively charged sol. In electro-osmosis, the sol particles are held stationary (do not move) by a semi-permeable membrane. The dispersion medium, which possesses an opposite (negative) charge to maintain neutrality, moves towards the oppositely charged anode under the electric field. Therefore, correct answer is C,D.
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