JEE Main & Advanced JEE Main Paper (Held On 15 April 2018) Slot-I

  • question_answer
    Which of the following is a Lewis acid?                                                           [JEE Online 15-04-2018]

    A)                     \[B{{(C{{H}_{3}})}_{3}}\]            

    B) \[NaH\]           

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

    D) \[P{{H}_{3}}\]

    Correct Answer: A

    Solution :

    (ref. image) is a Lewis acid. It has empty orbital to accept electron pair.


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