AMU Medical AMU Solved Paper-2014

  • question_answer
    Ultimate product is obtained on heating \[{{B}_{2}}{{H}_{6}}\]with \[N{{H}_{3}}\] is

    A)  \[{{B}_{3}}{{N}_{3}}{{H}_{6}}\]                 

    B)  \[{{(B-N)}_{3}}\]

    C)  \[{{N}_{2}}{{H}_{4}}\]                  

    D)  \[BH_{4}^{-}\]

    Correct Answer: A

    Solution :

                    \[3{{B}_{2}}{{H}_{6}}+6N{{H}_{3}}\xrightarrow{{{200}^{o}}C}\underset{Borazine\text{ }or\text{ }borazole}{\mathop{2{{B}_{3}}{{N}_{3}}{{H}_{6}}+12{{H}_{2}}}}\,\]


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