Chemistry GCSE
Alkenes
What Alkenes means in Chemistry GCSE, as defined for AQA.
Definitions of Alkenes
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Reference: AQA
Hydrocarbons that contain at least one carbon–carbon double bond and are unsaturated, and are reactive starting materials for making polymers.
Smaller, more useful molecules produced by cracking, which are then used to make polymers and other chemicals.
Hydrocarbons that contain a carbon-to-carbon double bond and are more reactive than alkanes.
Topics that use Alkenes
- Cracking and alkenes (AQA GCSE)
- Fractional distillation and petrochemicals (AQA GCSE)
Related terms
- Cracking
- Addition polymerisation
- Addition reaction
- Alkane
- Boiling point and molecular size
- Bromine water
- Catalytic cracking
- Catenation and structural variety in carbon compounds
Using Alkenes in the exam
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