IGCSE Chemistry Edexcel 4CH1

4: (e) Alcohols

#4.29C

know that alcohols contain the functional group −OH

#4.30C

**understand how to draw structural and displayed formulae for methanol, ethanol, propanol (propan-1-ol only) and butanol (butan-1-ol only), and name each compound

the names propanol and butanol are acceptable**

#4.31C

**know that ethanol can be oxidised by:

  • burning in air or oxygen (complete combustion)
  • reaction with oxygen in the air to form ethanoic acid (microbial oxidation)
  • heating with potassium dichromate (VI) in dilute sulfuric acid to form ethanoic acid**
#4.32C

**know that ethanol can be manufactured by:

  • reacting ethene with steam in the presence of a phosphoric acid catalyst at a temperature of about 300ºC and a pressure of about 60–70atm
  • the fermentation of glucose, in the absence of air, at an optimum temperature of about 30ºC and using the enzymes in yeast**
#4.33C

understand the reasons for fermentation, in the absence of air, and at an optimum temperature

4
(d) Alkenes
4
(f) Carboxylic acids