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.
Last updated
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.
Practise Chemistry of Hydrocarbons
1,091 free Chemistry of Hydrocarbons MCQs from Chemistry, each with the correct answer and an explanation. Unlimited attempts, no account needed.
Exams that ask Chemistry questions like this
Chemistry is on 12 papers prepared for on TestUstad, and all of them draw the same bank, so this question is worth knowing for every one of them.