NEET 2011 Chemistry question
In qualitative analysis, the metals of Group I can be separated from other ions by precipitating them as chloride salts. A solution initially contains and at a concentration of 0.10 M. Aqueous HCl is added to this solution until the concentration is 0.10 M. What will the concentrations of and be at equilibrium ? ( for AgCl = , for = )
Answer: (3)
Solution
At equilibrium with solid chlorides present (the ionic products exceed at 0.10 M each, so precipitation occurs), the ion concentrations are fixed by the solubility products with M. AgCl: , so $[Ag^+] =
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