Chemistry

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GCSE

Polymers

Question

How are longer hydrocarbons cracked?

2 years ago

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Clotilde Ward


1 Answer

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Cracking is a reaction in which larger hydrocarbon molecules are broken down into smaller, more useful hydrocarbon molecules. To do this, the larger alkanes are heated to around 650°C and their vapours are passed over a hot catalyst containing aluminium oxide.


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