A freshly prepared Fe(OH)₃ precipitate is peptized by adding FeCl₃ solution. The charge on the collo — Surface Chemistry Chemistry Question
Question
A freshly prepared Fe(OH)₃ precipitate is peptized by adding FeCl₃ solution. The charge on the colloidal particle is due to preferential absorption of
Answer: B
💡 Solution & Explanation
The Fe(OH)₃ precipitate preferentially adsorbs the common Fe³⁺ ions from the added FeCl₃ electrolyte, acquiring a positive charge. Therefore, correct answer is B.
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