A) \[PbS{{O}_{4}}\]
B) \[CdS{{O}_{4}}\]
C) \[Bi{{(S{{O}_{4}})}_{2}}\]
D) \[CuS{{O}_{4}}\]
Correct Answer: A
Solution :
\[\text{PbS}{{\text{O}}_{\text{4}}}\]is a white solid, insoluble in water. \[\text{CdS}{{\text{O}}_{\text{4}}}\]is soluble in water and exists as \[\text{3CdS}{{\text{O}}_{\text{4}}}\text{. 8}{{\text{H}}_{\text{2}}}\text{O}\] \[\text{B}{{\text{i}}_{2}}{{(S{{O}_{4}})}_{3}}\]is a colourless, hygroscopic substance give white precipitate of basic sulphate with water. \[\text{CuS}{{\text{O}}_{\text{4}}}\text{.5}{{\text{H}}_{\text{2}}}\text{O}\]is a blue crystalline substance, soluble in water.
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