Uttarakhand PMT Uttarakhand PMT Solved Paper-2010

  • question_answer
    One mole of magnesium nitride on reaction with an excess of water gives

    A)  one mole of ammonia

    B)  one mole of nitric acid

    C)  two moles of ammonia

    D)  two moles of nitric acid

    Correct Answer: C

    Solution :

    \[\underset{magnesium\text{ }nitride}{\mathop{M{{g}_{3}}{{N}_{2}}}}\,+6{{H}_{2}}O\xrightarrow[{}]{{}}\underset{ammonia\text{ }(2\text{ }mol)}{\mathop{3Mg{{(OH)}_{2}}+2N{{H}_{3}}}}\,\]


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