AFMC AFMC Solved Paper-2010

  • question_answer
    Which of the following molecules has trigonal planar geometry?

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

    B)  \[N{{H}_{3}}\]

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

    D)  \[I{{F}_{3}}\]

    Correct Answer: A

    Solution :

                    \[B{{F}_{3}}\Rightarrow 3bp+0lp\Rightarrow s{{p}^{3}}\]hybridisation and trigonal planar geometry   \[N{{H}_{3}}\Rightarrow 3bp+1/p\Rightarrow s{{p}^{3}}\]hybridization and pyramidal geometry.   \[P{{H}_{3}}\Rightarrow 3bp+1/p\Rightarrow s{{p}^{3}}\]hybridization and pyramidal geometry.  \[I{{F}_{3}}\Rightarrow 3bp+2lp\Rightarrow s{{p}^{3}}d\]hybridization and T shape


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