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What are alkanes?
The alkanes are a homologous series of hydrocarbons
with the general formula CnH2n+2 and names ending ­ane.
Alkanes contain only single carbon­carbon bonds and so
are saturated.
No. of Molecular Name
carbon atoms formula
1 CH4 methane
2 C 2H 6 ethane
3 C 3H 8 propane
4 C4H10 butane
5 C5H12 pentane
6 C6H14 hexane
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Alkanes and isomersim
Alkanes with four or more carbon atoms display structural
isomerism because the carbon chain may be either
straight or branched.
pentane: 2-methylbutane:
straight chain branched chain
The naming of alkanes depends on whether they are
straight or branched.
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Naming branched chain alkanes
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Naming the alkanes activity
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