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JEE Main & Advanced Chemistry Hydrocarbons / हाइड्रोकार्बन Question Bank Alkane

  • question_answer
    A sample of petrol is a mixture of 30% n-heptane and 70% iso-octane. The sample has octane number [MP PET 1985]

    A) 30

    B) 70

    C) 15

    D) 35

    Correct Answer: B

    Solution :

    Petrol sample 30% n-heptane + 70% iso-octane since iso-octane is 70%. Hence, octane no. is 70.


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