JCECE Engineering JCECE Engineering Solved Paper-2010

  • question_answer
    The molecule which has zero dipole moment is

    A) \[C{{H}_{3}}Cl\]               

    B) \[N{{F}_{3}}\]

    C) \[B{{F}_{3}}\]                                    

    D)  \[Cl{{O}_{2}}\]

    Correct Answer: C

    Solution :

    The molecules having distorted geometry have dipole moment and those having regular geometry have zero dipole moment. \[\because \,\,N{{H}_{3}},\,\,\,C{{H}_{3}}Cl\]and \[Cl{{O}_{2}}\] have distorted geometry. \[\therefore \]They have dipole moment. \[\because \]\[BF_{3}^{-}\]has regular triangular planar geometry. The dipole moment of \[B{{F}_{3}}\] is zero.


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