JEE Main & Advanced Chemistry Haloalkanes and Haloarenes / हैलोएल्केन तथा हैलोएरीन्स Question Bank Critical Thinking Haloalkanes

  • question_answer
    Among the following one with the highest percentage of chlorine is [MNR 1989; BHU 1998; MH CET 1999]

    A) Chloral

    B) Pyrene

    C) PVC

    D) Gammexene

    Correct Answer: B

    Solution :

    % of chlorine \[=\frac{\text{Mass}\,\text{of}\,\text{chlorine}}{\text{Mass}\,\text{of}\,\text{organic}\,\text{compound}}\times 100\] Chloral \[(CC{{l}_{3}}CHO)=\frac{106.5}{147.5}\times 100=72.20\] Pyrene \[(CC{{l}_{4}})=\frac{142}{154}\times 100=92.20\,\]Highest Gammexene \[({{C}_{6}}{{H}_{6}}C{{l}_{6}})=\frac{213}{291}\times 100=73.19\]


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