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6-2.Equilibrium-II (Ionic Equilibrium)
medium
The ${K_{SP}}$ of $AgI$ is $1.5 \times {10^{ - 16}}$. On mixing equal volumes of the following solutions, precipitation will occur only with
A
${10^{ - 7}}\,M\,A{g^ + }$ and ${10^{ - 19}}\,M\,{I^ - }$
B
${10^{ - 8}}\,M\,A{g^ + }$and ${10^{ - 8}}\,M\,{I^ - }$
C
${10^{ - 16}}\,M\,A{g^ + }$ and ${10^{ - 16}}\,M\,{I^ - }$
D
${10^{ - 9}}\,M\,A{g^ + }$ and ${10^{ - 9}}\,M\,{I^ - }$
Solution
(b) ${K_{sp\,}}\,\,{\rm{of}}\,\,AgI = 1.5 \times {10^{ – 16}}$
${10^{ – 8}}\,\,M\,\,A{g^ + }\,\,{\rm{and}}\,\,{10^{ – 8}}\,\,M\,\,{I^ – }$
${\rm{Ionic}}\,\,{\rm{product}} = {10^{ – 16}}$
${K_{sp}} = {\rm{Ionic}}\,\,{\rm{product}}$
Standard 11
Chemistry
