Uttarakhand PMT Uttarakhand PMT Solved Paper-2007

  • question_answer
    Ammonia is obtained by the action of\[{{H}_{2}}O\]on

    A)  \[CaC{{N}_{2}}\]        

    B) \[M{{g}_{3}}{{N}_{2}}\]

    C)  BN        

    D)  all of these

    Correct Answer: D

    Solution :

     All nitrides react with\[{{H}_{2}}O\]to yield ammonia. \[CaC{{N}_{2}}+3{{H}_{2}}\text{O}\xrightarrow[{}]{{}}CaC{{O}_{3}}+2N{{H}_{3}}\] \[M{{g}_{3}}{{N}_{2}}+6{{H}_{2}}\text{O}\xrightarrow[{}]{{}}3Mg{{(OH)}_{2}}+2N{{H}_{3}}\] \[BN+3{{H}_{2}}O\xrightarrow[{}]{{}}B{{(OH)}_{3}}+N{{H}_{3}}\]


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