A) \[FeS\]
B) \[CO\]
C) \[C{{u}_{2}}S\]
D) \[S{{O}_{2}}\]
Correct Answer: A
Solution :
The copper metal is mainly extracted from its sulphide ore, copper pyrites \[(CuFe{{S}_{2}}).\] The \[\text{C}{{\text{u}}_{\text{2}}}\text{O}\]obtained can be reduced to copper by treating with \[\text{FeS}\text{.}\] \[C{{u}_{2}}O+FeS\xrightarrow{{}}FeO+C{{u}_{2}}S\] \[2C{{u}_{2}}S\xrightarrow{3{{O}_{2}}}2C{{u}_{2}}O+2S{{O}_{2}}\] \[2C{{u}_{2}}O+C{{u}_{2}}S\xrightarrow{{}}6Cu+S{{O}_{2}}\]
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