Alkenes and Alkynes (double & triple bonds)

• carbon can form double and triple bonds with carbon atoms
• naming rule  --the position of the double/triple bonds always have the lowest number and is out in front of the parent chain
• double bonds (alkenes) end in -ene
• triple bonds (alkynes) end in -yne

FOR EXAMPLE

These are double bonds aka alkenes. 

This is a triple bond aka an alkyne. 

This triple bond is called heptyne because there are 7 carbons and a triple bond within the bond.

Multiple Double Bonds

• more than one double bond can exist in a molecule
• you can use the same multipliers inside the parent chain