BHU PMT BHU PMT (Screening) Solved Paper-2007

  • question_answer
    \[{{C}_{6}}{{H}_{6}}+C{{l}_{2}}\xrightarrow{light}P\]Product 'P' is

    A)  \[{{C}_{6}}{{H}_{5}}Cl\]               

    B)  \[{{C}_{6}}{{H}_{4}}C{{l}_{2}}\]

    C)  \[{{C}_{6}}{{H}_{6}}C{{l}_{6}}\]                

    D)  none of these

    Correct Answer: C

    Solution :

                     Benzene reacts with chlorine in presence of light, to give benzene hexachloride (BHC). \[{{C}_{6}}{{H}_{6}}+3C{{l}_{2}}\xrightarrow[{}]{sunlight}\underset{\begin{smallmatrix}  benzenehexa \\  chloride \end{smallmatrix}}{\mathop{{{C}_{6}}{{H}_{6}}C{{l}_{6}}}}\,\] Note: Benzene hexachloride (BHC) is also known as gammexane. It is a powerful insecticide.


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