Punjab Medical Punjab - MET Solved Paper-2008

  • question_answer Which of the following is not tetrahedral?

    A) \[BF_{4}^{-}\]                                   

    B) \[NH_{4}^{+}\]

    C) \[CO_{3}^{2-}\]               

    D) \[SO_{4}^{2-}\]

    Correct Answer: C

    Solution :

    In \[CO_{3}^{2-}\] ion the \[C-\]atom undergoes\[s{{p}^{2}}-\]hybridisation. It has triangular planar structure. While \[BF_{4}^{-},\,\,NH_{4}^{+}\] and \[SO_{4}^{2-}\] have tetrahedral structure.

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