BHU PMT BHU PMT (Screening) Solved Paper-2006

  • question_answer
    Amongst the trihalides of nitrogen which one is the least basic?

    A)  \[N{{F}_{3}}\]                                  

    B) \[NC{{l}_{3}}\]

    C)   \[NB{{r}_{3}}\]                               

    D) \[N{{I}_{3}}\]

    Correct Answer: A

    Solution :

                     \[N{{F}_{3}}\]is the least basic among the trihalides. It is due to highest negative inductive effect \[(-I)\]of F in comparision to other halogen atom.


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