BCECE Medical BCECE Medical Solved Papers-2004

  • 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 :

    Key Idea : Green vitriol is formed by oxidation of iron pyrite in presence of air and water \[\underset{pyrites}{\mathop{2Fe{{S}_{2}}}}\,+2{{H}_{2}}O+7{{O}_{1}}\xrightarrow{{}}\underset{green\text{ }vitriol}{\mathop{2FeS{{O}_{4}}}}\,\,\,+2{{H}_{2}}S{{O}_{4}}\]


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