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When equal volumes of the following solutions are mixed, precipitation of AgCl (Ksp = 1⋅8 × 10−10) will occur only with : (a) 10−10 M (Ag+ ) and 10−10 M (Cl− ) (b) 10−4 M (Ag+) and 10−4 M (Cl− ) (c) 10−5 M (Ag+) and 10−5 M (Cl−) (d) 10−5 M (Ag+ ) and 10−6 M (Cl−) |
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Answer» Correct option (b) 10−4 M (Ag+) and 10−4 M (Cl− ) Explanation: Ionic product = [Ag+ ][Cl− ] = 10−4 × 10−4 = 10−8 It is more than its given ionic product (1.8 × 10−10) ∴ So precipitation of AgCl will occur only with 10−4 M(Ag+ ) and 10−4 M(Cl − ) |
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