Edexcel IGCSE Chemistry 4.10 crude oil fraction trends
Practise fraction-trend questions by comparing chain length, intermolecular forces, boiling point, colour and viscosity.
- Syllabus
- First assessment 2019
- Course
- Chemistry 4CH1
Exam points
- Explain higher boiling points using longer molecules and stronger intermolecular forces.
- Compare fractions by molecule size, boiling point, colour and viscosity from column evidence.
4.10 Trends in fraction properties question 1
Crude oil is an important source of organic compounds.
The diagram shows crude oil being separated into different fractions.
Describe the differences between fraction B and fraction E.
In your answer, refer to
- size of the molecules
- boiling point
- colour
- viscosity
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