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Paper 2
C7
hydrocarbons
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Poppy
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Cards (17)
What area of chemistry focuses on compounds containing carbon?
Organic chemistry
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Why is carbon considered a useful element in chemistry?
It can form
four
strong bonds
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What are hydrocarbons defined as?
Compounds formed from carbon and
hydrogen
only
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What is the name of the hydrocarbon with the formula C4H10?
Butane
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Why is butanol not classified as a hydrocarbon?
It contains an
oxygen atom
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What is the simplest type of hydrocarbons?
Alkanes
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What is the molecular formula for methane?
C1H4
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How many carbon atoms are in ethane?
Two
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What is the molecular formula for propane?
C3H8
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How do the number of carbon and hydrogen atoms change in alkanes?
They grow by one carbon and
two
hydrogens
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What is a homologous series in organic chemistry?
Groups of
organic compounds
Similar
properties
React in a similar way
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What is the general formula for alkanes?
CnH2n+2
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What does the general formula CnH2n+2 indicate about hydrogen atoms?
It shows hydrogen atoms depend on
carbon count
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How many hydrogen atoms are in propane (C3H8)?
Eight
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What is the molecular formula for octane (C8)?
C8H18
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What does it mean for alkanes to be saturated compounds?
Every carbon has four single
covalent bonds
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What happens if a single bond in propane is changed to a double bond?
It becomes an
alkene
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