A) \[ZnS{{O}_{4}}\]
B) \[CuS{{O}_{4}}\]
C) \[NiS{{O}_{4}}\]
D) \[FeS{{O}_{4}}\]
Correct Answer: B
Solution :
\[{{\text{I}}_{2}}\]is liberated when KI is treated with \[\text{CuS}{{\text{O}}_{\text{4}}}\text{.}\]
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