BCECE Medical BCECE Medical Solved Papers-2015

  • question_answer
    Which one of the following is the correct statement?

    A)  \[{{B}_{3}}{{N}_{3}}{{H}_{6}}\] is known as inorganic benzene

    B)  Chlorides of both beryllium and aluminium have bridged chloride structure in gas phase

    C)  Boric acid is a protonic acid

    D)  Beryllium exhibits coordination number of six

    Correct Answer: A

    Solution :

    \[BeC{{l}_{2}}\] and \[AlC{{l}_{3}}\] both have bridged structure in solid phase. \[{{B}_{3}}{{N}_{3}}{{H}_{6}}\] is known as inorganic benzene. Boric acid is Lewis acid. Beryllium exhibits coordination number of 4.


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