Manipal Engineering Manipal Engineering Solved Paper-2010

  • question_answer
    On igniting\[F{{e}_{2}}{{O}_{3}}\]at\[{{1400}^{o}}C\], the product obtained is

    A) \[F{{e}_{2}}{{O}_{3}}\,\,melt\]                 

    B) \[FeO\]

    C) \[F{{e}_{3}}{{O}_{4}}\] 

    D)                        metallic iron

    Correct Answer: D

    Solution :

    On igniting at\[{{1400}^{o}}C\],\[F{{e}_{2}}{{O}_{3}}\]get reduced to metallic\[Fe\]. \[3F{{e}_{2}}{{O}_{3}}+CO\xrightarrow{{}}2F{{e}_{3}}{{O}_{4}}+C{{O}_{2}}\] \[F{{e}_{3}}{{O}_{4}}+CO\xrightarrow{{}}3FeO+C{{O}_{2}}\] \[FeO+CO\xrightarrow{{}}Fe+C{{O}_{2}}\]


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