Uttarakhand PMT Uttarakhand PMT Solved Paper-2007

  • question_answer In the extraction of copper from its sulphide ore, the metal is formed by reduction of \[C{{u}_{2}}O\]with

    A)  \[FeS\]           

    B)  CO

    C)  \[C{{u}_{2}}S\]          

    D)  \[S{{O}_{2}}\]

    Correct Answer: C

    Solution :

     Copper is obtained by self reduction or self electronation or auto reduction as shown below \[2C{{u}_{2}}O+C{{u}_{2}}S\xrightarrow[{}]{{}}6Cu+S{{O}_{2}}\uparrow \]


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