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7.1 Carbon compounds as fuels and feedstock

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Question 26

Four hydrocarbon vapours enter the bottom of a fractionating column. The table shows the boiling point of each hydrocarbon.

HydrocarbonBoiling point in ∘C^\circ\text{C}∘C
J95
K310
L145
M220

As the vapours rise and cool, which hydrocarbon condenses first?

[1]
A

Hydrocarbon K

B

Hydrocarbon J

C

Hydrocarbon M

D

Hydrocarbon L

Markscheme

7.1 Carbon compounds as fuels and feedstock Questions

  1. GCSE
  2. /Chemistry
  3. /7.1 Carbon compounds as fuels and feedstock

91 exam-style questions on AQA GCSE Chemistry 7.1 Carbon compounds as fuels and feedstock, covering 7.1.1 Crude oil, hydrocarbons and alkanes, 7.1.2 Fractional distillation and petrochemicals, 7.1.3 Properties of hydrocarbons, and 7.1.4 Cracking and alkenes. Each one has a worked solution and a mark scheme showing where the marks go.

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