Uttarakhand PMT Uttarakhand PMT Solved Paper-2007

  • question_answer
    A molecule\[X{{Y}_{2}}\]contains two a, two n bonds and one lone pair of electron in the valence shell of X. The arrangement of lone pair as well as bond pairs is

    A)  square pyramidal

    B)  linear

    C)  trigonal planar

    D)  unpredictable

    Correct Answer: C

    Solution :

     The valence shell of X has two o-bonds and one lone pair of electrons. Therefore, it has planar triangular geometry. It may be mentioned here that bond pairs involved in the formation of\[\pi -\]bonds are not considered while deciding the geometry of the molecule.


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