Organic chemistry- Crude Oil

• Crude oil


  A mixture of substances called hydrocarbons, each with different chain lengths
• Hydrocarbons


  • Contains hydrogen and carbon only
• Formation of crude oil

  1. Microscopic plants and animals die and fall to the seabed

  2. Layers of sand and mud form on top

  3. Pressure and high temperature cause oil to form (over millions of years)
• Oil


  Extracted by drilling
• Alkanes


  • Chains of carbon atoms with hydrogen atoms attached to them
  • They only form single carbon-carbon and carbon-hydrogen bonds
  • Each bond only shares one pair of electrons
  • Each carbon makes four bonds
• Alkanes


  • Methane
  • Ethane
  • Propane
• Methane formula: CH4
• Ethane formula: C2H6
• Propane formula: C3H8
• CRUDE OIL
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