CMC Medical CMC-Medical Ludhiana Solved Paper-2008

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

    A)  ferric nitrate

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

    C)  ferrous nitrate and ammonium nitrate

    D)  ferrous nitrate and nitric oxide

    Correct Answer: C

    Solution :

                    Iron is oxidised 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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