Chhattisgarh PMT Chhattisgarh PMT Solved Paper-2006

  • question_answer
     The number of paired electrons in \[Xe\] atom of \[Xe{{F}_{2}}\] is

    A)  \[3\]                                    

    B)  \[5\]

    C)  \[4\]                                    

    D)  \[2\]

    Correct Answer: A

    Solution :

    The dot structure of \[Xe{{F}_{2}}\] is as follows\[F-\mathbf{:}\underset{\bullet \bullet }{\overset{\bullet \bullet }{\mathop{Xe}}}\,-F\] Number of molecular hybrid orbitals = number of sigma bonds + number of lone pair of  electrons. \[\therefore \] Number of molecular hybrid orbitals \[~=2+3=5\] So, hybridization is \[s{{p}^{3}}d\].


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