Organic module 1

• What does the molecular formula tell us?


  Type & number of each element present
• What does the structural formula tell us?


  Connectivity of atoms
• What does the displayed formula tell us?

  Shape & connectivity of atoms

  Line structure (skeletal) is simplified version of this
• What are the 3 types of unsaturated hydrocarbons?

  • Alkenes (CnH2n)
  • Alkynes (CnH2n-2)
  • Arenes
• What are the 2 types of saturated hydrocarbons?

  • Alkanes (CnH2n + 2)
  • Cycloalkanes (CnH2n)
• Why are some hydrocarbons saturated?


  All of their carbon atoms are sp3 hybridised ( all have single bonds)
• What are hydrocarbons?


  Organic compounds composed of hydrogen and carbon atoms.