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Chemistry C1 > Cracking > Flashcards

Cracking Flashcards

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0
Q

What is needed to crack long molecules?

A

Heat (thermal decomposition) of 400-700 degrees
Catalyst - aluminium oxide
….. Needed to break strong covalent bonds

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1
Q

What is cracking?

A

Crude oil fractions being split into smaller alkanes and alkenes that are more useful (eg petrol)

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2
Q

How do you crack liquid paraffin in a lab?

A

Pass vaporised paraffin over aluminium oxide to give octane + ethene

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Chemistry C1 (20 decks)

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