Octane number of n-heptane is _.
Correct answer: A. 0
- A. 0
- B. 100
- C. 40
- D. 98
Explanation
Option A: n-Heptane (C7H16) has an octane number of 0. Option B: iso-octane (C8H18) has an octane number of 100. Option C: 40 is not correct because 40 is a typical octane rating for regular gasoline used in most passenger cars. Option D: Gasoline has an octane number of 93-97.
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About Alkanes
Alkanes are saturated hydrocarbons containing only carbon-carbon and carbon-hydrogen single bonds, with the general formula CnH2n+2 for open chains. Their structure, isomerism, IUPAC nomenclature, physical properties, combustion, free-radical halogenation and conformations are covered, including the difference between substitution in alkanes and addition in unsaturated hydrocarbons.
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