A) \[BaS{{O}_{4}}\]
B) \[C{{a}_{3}}{{(P{{O}_{4}})}_{2}}\]
C) \[H{{g}_{2}}C{{l}_{2}}\]
D) \[A{{g}_{3}}P{{O}_{4}}\]
E) \[CuS\]
Correct Answer: C
Solution :
\[H{{g}_{2}}C{{l}_{2}}\underset{s}{\mathop{Hg_{2}^{2+}}}\,+\underset{2s}{\mathop{2C{{l}^{-}}}}\,\] \[{{K}_{sp}}=[Hg_{2}^{2+}]{{[C{{l}^{-}}]}^{2}}\] \[=(s){{(2s)}^{2}}\] \[{{K}_{sp}}=4{{s}^{3}}\] \[s={{\left( \frac{{{K}_{sp}}}{4} \right)}^{1/3}}\]
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