JEE Main & Advanced Chemistry The p-block Elements-II / p-ब्लॉक तत्व-II Question Bank Nitrogen Family

  • question_answer
    Which nitrogen trihalides is least basic [IIT 1987; Kurukshetra CEE 1998; CPMT 1999]

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

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

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

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

    Correct Answer: A

    Solution :

      \[N{{F}_{3}}\] It is least basic because of the high electronegativity of \[3F\] atoms. The lone pair present on nitrogen atom is not easily available for donation.


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