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Alkanes
Alkanes General Formula CnH2n+2
Methane CH4
Ethane C2H6
Propane C3H8
Butane C4H10
Pentane C5H12
Hexane C6H14
Heptane C7H16
Octane C8H18
Alkanes
Alkanes are saturated hydrocarbons, as all bonds in alkane molecules are single bonds
Methane CH4
Ethane C2H6
Propane C3H8
Butane C4H10
Pentane C5H12
Alkanes
Alkane molecules are tetrahedral, e.g. propane
Physical properties
Physical state: The first four alkanes are gases, while pentane and higher alkanes are liquids
Insoluble in water Soluble in non-polar solvents such as
cyclohexane
Uses
Used as fuels Petrol, diesel, LPG and natural gas are all
mixtures of alkanes
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