When dilute aqueous solution of (excess) is added to KI solution, positively charged sol particles o — Surface Chemistry Chemistry Question
Question
When dilute aqueous solution of $AgNO_3$ (excess) is added to KI solution, positively charged sol particles of AgI are formed due to adsorption of ion
Answer: B
💡 Solution & Explanation
With $AgNO_3$ in excess, Ag+ ions are preferentially adsorbed on the AgI surface, giving the sol particles a positive charge (AgI/Ag+).
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