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Naming and Properties of Alcohols

Properties:
  • OH group is polar (can form hydrogen bonds)
  • Boiling points are much higher than corresponding alkanes
  • Smaller alcohols are a lot more polar, as the alcohols get longer (ex. pentanol), they are less polar
Naming:
Wize Concept
1. Identify the longest carbon chain.
2. The suffix of an alcohol is "ol" (ex. butan-2-ol)
3. If there is more than one OH group, place a prefix (di, tri, tetra) in front of the "ol" ending (ex. butane-1,2-diol)

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Example: Name the following molecule


propane-1,2,3-triol

Example: Draw the following molecule
4-ethyloctan-2,5-diol



Name the following molecule:

(openstax)
Name the following molecule