Alcohol
- Created by: Jasmin
- Created on: 15-04-13 19:54
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- Alcohols
- Have OH functional group and end in 'ol'
- CnH2n+1OH
- HOMOLOGOUS SERIES
- Group of chemicals that react in a similar way because they have the same functional group (OH group)
- Methanol:CH3OH, Ethanol: C2H5OH, Propanol: C3H7OH
- Proporties
- Flammable
- Burn in air to produce CO2 and H20
- Ethanol used in spirit burners
- Burns with 'clean' blue flame
- Dissolve in water: form neutral solutions
- React with sodium
- Gives off H2 gas
- Ethanol main in alcoholic drinks
- Not as toxic as methanol (causes blindness if drink) but still damages liver and brain
- Flammable
- USES
- Solvents
- Useful first 3 as can dissolve most compunds and also ones that water cannot dissolve e.g, hydrocarbons, oils, fats
- Ethanol - perfumes - can mix oil and water
- Methylated spirit
- Ethanol but with more toxic methanol added
- Used to clean paint brushes and as fuel
- Poisonous to drink so purple dye added
- Fuels
- Ethanol can be mixed with petrol
- More ethanol in petrol/ethanol mix less pollution produced
- Fermenting sugar from plant material - ethanol
- ADV - sugarcane is renewable resource
- Ethanol can be mixed with petrol
- Solvents
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