BHU PMT BHU PMT (Mains) Solved Paper-2008

  • question_answer
    The IUPAC name of Weston is

    A)  1, 1, 2, 2-tetrachloroethane

    B)  1, 1,-2, 2-tetrachloroethene

    C)  1, 2-dichloroethyne

    D)  1, 3, 3, 3, -tetrachloroprop-1-yne

    Correct Answer: A

    Solution :

                     When acetylene reacts with chlorine, tetra chloro acetylene is formed, which is also known as westron. \[\underset{\begin{smallmatrix}  \,\,\,\,\,\,\,\,\,\,\,\,\,\,\,\,\,\,\,\,\,\,\,\,\,westron \\  1,1,\text{ }2,\text{ }2-tetrachloroethane \end{smallmatrix}}{\mathop{H{{-}^{2}}\underset{\begin{smallmatrix}  | \\  Cl \end{smallmatrix}}{\overset{\begin{smallmatrix}  Cl \\  | \end{smallmatrix}}{\mathop{C}}}\,-\underset{\begin{smallmatrix}  | \\  Cl \end{smallmatrix}}{\overset{\begin{smallmatrix}  Cl \\  | \end{smallmatrix}}{\mathop{^{1}C}}}\,-H}}\,\]


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