RAJASTHAN ­ PET Rajasthan PET Solved Paper-2004

  • question_answer
    Benzene reacts with chlorine in the presence of UV-light to give

    A)  chlorobenzene

    B)  hexachlorocyclohexane

    C)  hexachlorobenzene

    D)  1, 3, 5-trichlorobenzene

    Correct Answer: B

    Solution :

     \[\underset{benzene}{\mathop{{{C}_{6}}{{H}_{6}}}}\,+3C{{l}_{2}}\xrightarrow[{}]{hv}\underset{\begin{smallmatrix}  hexachloro \\  cyclohexane  \\  (gammaxene) \end{smallmatrix}}{\mathop{{{C}_{6}}{{H}_{6}}C{{l}_{2}}}}\,\]


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