Organic Chemistry

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Define Hydrocarbon
A compound made up of only hydrogen and carbon
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What is crude oil made up from?
A mixture of different length hydrocarbons
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What is the general formula for alkanes?
CnH2n+2
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What is the formula for methane?
CH4
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What is the formula for ethane?
C2H6
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What is the formula for propane?
C3H8
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What is the formula for butane?
C4H10
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Why do we need to separate crude oil into fractions?
Each different fraction has different boiling points
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How does boiling point change with chain length?
Small chains - low boiling point
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How does viscosity change with chain length?
Large chains - very viscous
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How does flammability change with chain length?
Small chains - high flammability
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Write the word equation for complete combustion
hydrocarbon + oxygen --> carbon dioxide + water
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Why do we need to crack long hydrocarbons?
Long chains aren't very useful
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How do we test for alkenes?
Bromine water test: orange to colourless
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Other cards in this set

Card 2

Front

What is crude oil made up from?

Back

A mixture of different length hydrocarbons

Card 3

Front

What is the general formula for alkanes?

Back

Preview of the front of card 3

Card 4

Front

What is the formula for methane?

Back

Preview of the front of card 4

Card 5

Front

What is the formula for ethane?

Back

Preview of the front of card 5
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