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