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CMC Medical CMC-Medical VELLORE Solved Paper-2007

  • question_answer
    Which of the following has lowest octane number?

    A)  Iso-octane        

    B)  n-heptane

    C)  n-hexane          

    D)  n-hexadecane

    Correct Answer: D

    Solution :

                     Longer the straight chain alkane, lower the octane number. Thus, \[n\text{-}\]hexadecane has even lower octane number than \[n\text{-}\]heptane.


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