CET Karnataka Medical CET - Karnataka Medical Solved Paper-2013

  • question_answer
    Identify a species which is NOT a Bronsted acid but a Lewis acid.                                          

    A)  \[B{{F}_{3}}\]  

    B)  \[H_{3}^{+}O\]

    C)  \[N{{H}_{3}}\] 

    D)  \[HCl\]                

    Correct Answer: A

    Solution :

    : Molecules having a central atom with incomplete octet/act as a Lewis acid not Bronsted acid (proton donor). In \[B{{F}_{3}}\], B is having 6 electrons.


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