VMMC VMMC Medical Solved Paper-2002

  • question_answer
    Which of the following is not tetrahedral?

    A)  \[SiC{{l}_{4}}\]                 

    B)         \[B{{F}_{4}}\]                   

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

    D)         \[SeC{{l}_{4}}\]

    Correct Answer: D

    Solution :

    Selenium tetrachloride can be shown as follows: \[\text{(lp+}\sigma -bp=1+4=5\text{)}\] Hence, hybridization is \[\text{s}{{\text{p}}^{\text{3}}}\text{d}\text{.}\]Due to the presence of one lone pair of electron on selenium, its shape is distorted tetrahedral or see-saw structure.


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