• Hybridization model helps explain molecules with double or triple bonds.
  • Ethene (C2H4) contains a double covalent bond between the two carbon atoms.
  • Triple bonds are comprised of one sigma bond and two pi bonds.
  • The bond orientation of the two bonds is that they are perpendicular to one another (see Figure below).
  • One pi bond is above and below the line of the molecule, while the other is in the other behind the other.
  • The two types of bonds are different: one is a sigma Bond, while other is a pi bond.
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