JEE Main & Advanced Chemistry Hydrocarbons Question Bank Critical Thinking

  • question_answer The octane number of a sample of petrol is 40. It means that its knocking property is equal to the mixture of [MP PMT 2003]

    A) 40% n-heptane + 60% iso-octane

    B) 40% petrol + 60% iso-octane

    C) 60% n-heptane + 40% iso-octane

    D) 60% petrol + 40% iso-octane

    Correct Answer: C

    Solution :

      Octane number of fuel is the percentage of iso- octane in mixture.


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