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JEE Main & Advanced Chemistry Hydrocarbons / हाइड्रोकार्बन Question Bank Alkene

  • question_answer
    Which of the following has highest knocking property

    A) Aromatic hydrocarbons

    B) Olefins

    C) Branched chain paraffins

    D) Straight chain paraffins

    Correct Answer: D

    Solution :

      Octane number increases in the order     Straight chain alkanes <  Branched chain alkanes < Olefins < Cyclo alkanes < Aromatic compounds Since, straight chain alkane has minimum octane number. Hence, it produces maximum knocking.


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