InterviewSolution
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InterviewSolution
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The solubility product `(K_(sp))` of the following compound s are given at `25^(@)C` `{:("Compound " ,K_(sp)),(AgCl,1.1xx10^(-10)),(Agl,1.0xx10^(-16)),(PbCrO_(4),4.0xx10^(-10)),(Ag_(2)CO_(3),8.0xx10^(-12)),(,):}` The most soluble and least soluble compound are respectivelyA. `AgCl and PbCrO_(4)`B. `AgI and Ag_(2)CO_(3)`C. `AgCl and Ag_(2)CO_(3)`D. `Ag_(2)CO_(3) and AgI` |
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Answer» Correct Answer - D The 1 st three salts are of the type AB for which `S=sqrt(K_(sp))`, i.e., `10^(-5) M (AgCl), 10^(-8) M (AgI), 2xx10^(-7)M (PbCrO_(4))`. Last salt is of the type `A_(2)B` for which `S=(K_(sp)//4)^(1//3)=(2xx10^(-12))^(1//3)~=10^(-4)` M. Thus, most soluble is `Ag_(2)CO_(3)` and least soluble is AgI. |
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