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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  Methane  Ethane CH4 C2H6  Propane  Butane General Formula C3H8 C4H10 CnH2n+2  Pentane  Hexane  Heptane  Octane C5H12 C6H14 C7H16 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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