BHU PMT BHU PMT (Mains) Solved Paper-2011

  • question_answer
    The molecule having non-zero dipole moment is

    A)  \[{{C}_{2}}{{H}_{6}}\]                   

    B)  \[C{{H}_{4}}\]  

    C)  \[{{B}_{2}}{{H}_{6}}\]                   

    D)  \[{{H}_{2}}{{O}_{2}}\]

    Correct Answer: D

    Solution :

    Sol.         \[{{C}_{2}}{{H}_{6}},C{{H}_{4}}\]and\[{{B}_{2}}{{H}_{6}}\]have zero dipole moment due to their symmetrical structures while\[{{H}_{2}}{{O}_{2}}\]has a finite dipole moment due to its non-planar structure.


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