Organic Chemistry

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21 Mar 2012 12:37:34 IST
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octane no
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what is octaneno.



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Cool goIITian

Joined: 10 Aug 2011
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21 Mar 2012 13:19:00 IST
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what do u mean by octane no  

 octane is c8H18

Madhusudan Chavan's Avatar

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Joined: 9 Mar 2007
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22 Mar 2012 16:30:56 IST
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 Definition: A value used to indicate the resistance of a motor fuel to knock. Octane numbers are based on a scale on which isooctane is 100 (minimal knock) and heptane is 0 (bad knock).

Examples: A gasoline with an octane number of 92 has the same knock as a mixture of 92% isooctaneand 8% heptane.




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