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paper 2
topic 7
hydrocarbons
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hydrocarbons is any compound formed for
carbon
and
hydrogen
atoms only
Alkanes have the general formula
CnH2n+2.
alkanes
are the simplest type of hydrocarbon
what are the first 4 alkanes?
methane
,
ethane
,
propane
,
butane
the
shorter
the carbon chain means that is is more flammable and more volatile (turns into a gas at a lower temp)
complete combustion:
hydrocarbon +
oxygen
->
carbon
dioxide
+
water
acronym for first 4 alkanes =
Mice Eat Peanut Butter
alkanes have all
single
bonds
alkanes are
saturated
compounds - each carbon atom forms
4
single
covalent
bonds