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9.1 Fuels

9.1 Fuels

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Question 25

During the fractional distillation of crude oil, different fractions are collected based on their boiling temperature ranges. Which of the following mixtures contains only the molecular formulae of hydrocarbons that are typically found within the gasoline (petrol) fraction?

A

C2H6\text{C}_2\text{H}_6C2​H6​, C7H16\text{C}_7\text{H}_{16}C7​H16​, C9H20\text{C}_9\text{H}_{20}C9​H20​

B

C6H14\text{C}_6\text{H}_{14}C6​H14​, C8H18\text{C}_8\text{H}_{18}C8​H18​, C10H22\text{C}_{10}\text{H}_{22}C10​H22​

C

C6H13OH\text{C}_6\text{H}_{13}\text{OH}C6​H13​OH, C8H18\text{C}_8\text{H}_{18}C8​H18​, C10H22\text{C}_{10}\text{H}_{22}C10​H22​

D

C7H16\text{C}_7\text{H}_{16}C7​H16​, C9H20\text{C}_9\text{H}_{20}C9​H20​, C20H42\text{C}_{20}\text{H}_{42}C20​H42​

Markscheme

9.1 Fuels Questions

  1. GCSE
  2. /Chemistry
  3. /9.1 Fuels

130 exam-style questions on Edexcel GCSE Chemistry 9.1 Fuels, covering 9.1.1 Hydrocarbons and crude oil, 9.1.2 Fractional distillation of crude oil and its fractions, 9.1.3 The alkanes as a homologous series, 9.1.4 Complete and incomplete combustion, 9.1.5 Pollutants from burning fuels, 9.1.6 Hydrogen as a fuel and non-renewable fossil fuels, and 9.1.7 Cracking of larger alkanes. Each one has a worked solution and a mark scheme showing where the marks go.

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