Alkenes
- Created by: elliemackellar
- Created on: 07-10-13 18:13
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- Alkenes
- Cracking
- Alkane- Heated with steam and a catalyst
- Thermal decomposition
- Forms alkanes and alkenes
- Alkenes react with bromine turning it form orange to colourless- proves it has been made
- Smaller more useful molecules
- Alkane- Heated with steam and a catalyst
- Formula= CnH2n
- Unsaturated
- 2 covalent bonds
- Ethene molecule
- 1 atom can only have 4 bonds joined to it
- Can be produced by hydration of ethene with steam and a catalyst
- Hydration
- Or fermentation with yeast: sugar-> carbon dioxide +ethanol
- Propane molecule
- 1 atom can only have 4 bonds joined to it
- Cracking
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