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Alkanes
Alkanes

General Formula

CnH2n+2



Methane CH4



Pentane C5H12



Ethane C2H6



Hexane C6H14



Propane C3H8



...
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...
Uses



Used as fuels
Petrol, diesel, LPG and natural gas are all
mixtures of alkanes
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7.1 tetrahedral carbon alkanes 7.1 (1)

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7.1 tetrahedral carbon alkanes 7.1 (1)

  1. 1. Alkanes
  2. 2. Alkanes General Formula CnH2n+2  Methane CH4  Pentane C5H12  Ethane C2H6  Hexane C6H14  Propane C3H8  Heptane C7H16  Butane C4H10  Octane C8H18
  3. 3. Alkanes  Alkanes are saturated hydrocarbons, as all bonds in alkane molecules are single bonds
  4. 4. Methane CH4
  5. 5. Ethane C2H6
  6. 6. Propane C3H8
  7. 7. Butane C4H10
  8. 8. Pentane C5H12
  9. 9. Alkanes  Alkane molecules are tetrahedral, e.g. propane
  10. 10. 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
  11. 11. Uses   Used as fuels Petrol, diesel, LPG and natural gas are all mixtures of alkanes

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