2. Sample Papers
  3. NEET

NEET Sample Paper NEET Sample Test Paper-39

  • question_answer
    Which of the following describes correct sequence for decreasing Lewis acid nature?

    A) \[BC{{l}_{3}}>B{{E}_{3}}>BB{{r}_{3}}\]

    B) \[BB{{r}_{3}}>BC{{l}_{3}}>B{{F}_{3}}\]

    C) \[BB{{r}_{3}}>B{{F}_{3}}>BC{{l}_{3}}\]

    D) \[B{{F}_{3}}>BC{{l}_{3}}>BB{{r}_{3}}\]  

    Correct Answer: B

    Solution :

     Due to back bonding \[B{{F}_{3}}\]shows maximum tendency due to small size of F.


You need to login to perform this action.
You will be redirected in 3 sec spinner