Niharika Kalita posted an Question
May 02, 2020 • 03:52 am 4 points
  • IIT JAM
  • Chemistry (CY)

Please explain the terms octane rating, cracking and reforming in detail.

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    Lingareddy 1 best-answer

    Reforming is a thermal or catalytic refining process in which the hydrocarbon molecules of petroleum are rearranged to improve its octane number; the resulting product is used in blending high-octane petrol.

  • Niharika kalita

    I want the solutions of those chemical kinetics questions.

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    Lingareddy 1 Best Answer

    cracking :Cracking is the name given to breaking up large hydrocarbon molecules into smaller and more useful bits. This is achieved by using high pressures and temperatures without a catalyst, or lower temperatures and pressures in the presence of a catalyst. ... The octane is one of the molecules found in petrol (gasoline).

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    Lingareddy 1 best-answer

    Octane rating is a measure of a fuel's ability to resist 'knock. ' The octane requirement of an engine varies with compression ratio, geometrical and mechanical considerations, and operating conditions. The higher the octane number, the greater the fuel's resistance to knocking or pinging during combustion

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