AFMC AFMC Solved Paper-2002

  • question_answer
    Borazine is represented by the molecular formula :

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

    B) \[{{B}_{5}}N{{H}_{6}}\]

    C) \[{{B}_{4}}{{N}_{2}}{{H}_{6}}\]                  

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

    Correct Answer: D

    Solution :

    Borazine \[({{B}_{3}}{{N}_{3}}{{H}_{6}})\] is also known as inorganic benzene and has structure similar to that of benzene It is prepared as follows \[2{{B}_{2}}{{H}_{6}}+6N{{H}_{3}}\xrightarrow{450\,K}2{{B}_{3}}{{N}_{3}}{{H}_{6}}+12{{H}_{2}}\uparrow \]


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