Punjab Medical Punjab - MET Solved Paper-2005

  • question_answer
    Green vitriol is formed by :

    A) \[Fe{{S}_{2}}+{{H}_{2}}O+{{O}_{2}}\]

    B) \[Fe{{S}_{2}}+{{H}_{2}}O+C{{O}_{2}}\]

    C) \[Fe{{S}_{2}}+CO+C{{O}_{2}}\]

    D) \[Fe{{S}_{2}}+CO\]

    Correct Answer: A

    Solution :

    Green vitriol is formed by the oxidation of iron pyrites \[(Fe{{S}_{2}})\] in the presence of air and water. \[\underset{pyrites}{\mathop{2Fe{{S}_{2}}}}\,+2{{H}_{2}}O+7{{O}_{2}}\xrightarrow{{}}\underset{green\,\,vitriol}{\mathop{2FeS{{O}_{4}}+}}\,2{{H}_{2}}S{{O}_{4}}\]


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