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VMMC VMMC Medical Solved Paper-2006

  • question_answer
    Iron is dropped in dil. \[\text{HN}{{\text{O}}_{\text{3}}}\text{,}\]it gives:

    A)  ferric nitrate

    B)         ferric nitrate and \[\text{N}{{\text{O}}_{2}}\]

    C)         ferrous nitrate and ammonium nitrate

    D)         ferrous nitrate and nitric oxide

    Correct Answer: C

    Solution :

    Iron is oxidized to ferrous nitrate and nitric acid is changed to ammonium nitrate. \[4Fe+\underset{\text{dil}\text{.}}{\mathop{10HN{{O}_{3}}}}\,\xrightarrow{{}}4Fe{{(N{{O}_{3}})}_{2}}+N{{H}_{4}}N{{O}_{3}}\] \[+\,3{{H}_{2}}O\]


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