A) \[S{{O}_{2}}\]
B) \[S{{O}_{3}}\]
C) \[{{H}_{2}}S\]
D) \[{{O}_{2}}\]
Correct Answer: A
Solution :
\[Cu+2{{H}_{2}}S{{O}_{4}}\,\to \,CuS{{O}_{4}}+2{{H}_{2}}O+S{{O}_{2}}\]
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