Alcohols Flashcards
(10 cards)
Primary
Primary (1°) alcohols have one R
group attached to the carbon to
which the OH group is attached.
Secondary
Secondary (2°) alcohols have two R groups attached to the carbon to which the OH group is attached.
Tertiary
Tertiary (3°) alcohols have three R groups attached to the carbon to which the OH group is attached.
Hydrogen bonding
The presence of the hydroxyl group with its electronegative oxygen atom means that alcohols
are polar. They can therefore take part in hydrogen bonding.
Alcohols can mix with water because their molecules can form hydrogen bonds with water molecules. However, as the relative molecular mass of the alcohol increases, the miscibility with water decreases.
Why is ethanol soluable in water
OH in ethanol is able to form hydrogen bonds with water mkaing it soluable in water
- Alcohols only undergo complete combustion
- first reaction
- ethanol used as a fuel sicnce alcholos are already partially oxidised
Use an oxidising agent
either combo of sulfuric acid and
when u partially oxidised an alcohol you get an aldehyde
elimnation reaction of alcohols