NEET Sample Paper NEET Sample Test Paper-9

  • question_answer Molecular shapes of \[S{{F}_{4}},C{{F}_{4}}\] and \[Xe{{F}_{4}}\] are

    A)  Same with 2, 0 and 1 lone pairs of electrons respectively.

    B)  Same with 1, 1 and 1 lone pairs of electrons respectively.

    C)  different with 1, 0 and 2 lone pairs of electrons respectively.

    D)  different with 1,1 and 1 lone pairs of electrons respectively.

    Correct Answer: C

    Solution :

    \[S{{F}_{4}}\] (\[s{{p}^{3}}\,\,\,d\] hybridisation, trigonal bipyramidal with one equatorial position occupied by 1 lone pair) \[C{{F}_{4}}\] (\[s{{p}^{3}},\] tetrahedral, no lone pair) \[Xe{{F}_{4}}\]\[(s{{p}^{3}}{{d}^{2}},\]square planar two lone pairs).


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