Cracking

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What is cracking?
Cracking is when large chains of hydrocarbon molecules are broken down into smaller, more useful ones
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What are the two ways that cracking can happen?
Heating the hydrocarbon vapours and steam to a high temperature and by passing hydrocarbon vapours over a hot catalyst
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What sort of reaction is cracking?
Thermal Decomposition
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What are alkenes?
Unsaturated hydrocarbons with a double carbon-carbon bond
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Why are alkenes more reactive than alkanes?
Because of their double carbon-carbon bonds
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What is the test to identify an alkene?
It reacts turning bromine water orange to colourless
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Card 2

Front

What are the two ways that cracking can happen?

Back

Heating the hydrocarbon vapours and steam to a high temperature and by passing hydrocarbon vapours over a hot catalyst

Card 3

Front

What sort of reaction is cracking?

Back

Preview of the front of card 3

Card 4

Front

What are alkenes?

Back

Preview of the front of card 4

Card 5

Front

Why are alkenes more reactive than alkanes?

Back

Preview of the front of card 5
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