4e

Question 1

Alcohol

Answer 1

• Only single bonds
• Contains hydroxy (OH) bond

Question 2

Oxidation of ethanol

Answer 2

• Burning in oxygen (complete combustion)
• With oxygen in the air to form ethanoic acid
• Heating with potassium dichromate(VI) (orange) in dilute sulfuric acid to form
  ethanoic acid (green).

Question 3

Industrial alcohol production

Answer 3

• alkene (g) + water (g) -> alcohol (g)

Requires:
- Phosphoric acid catalyst
- 300ºC - 400ºC
- 60atm - 70atm

Question 4

Ethanol production by fermentation

Answer 4

• glucose -> ethanol + carbon dioxide
• Requires yeast anaerobic respiration and it not becoming denatured
• 30ºC