Edexcel IGCSE Chemistry · Spec 4.31C-4.33C
Ethanol: Oxidation, Hydration and Fermentation (Paper 2)
Covers describe oxidation of ethanol, Compare hydration and fermentation conditions and Explain the absence of air and optimum fermentation temperature.
Chemistry revision video
Ethanol: Oxidation, Hydration and Fermentation (Paper 2)
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Spec 4.31C-4.33C
What you need to know
- Describe oxidation of ethanol
- Compare hydration and fermentation conditions
- Explain the absence of air and optimum fermentation temperature
Active recall
Quick check
Answer each question before opening the answer.
What colour change shows dichromate reduction?
Orange to green
State the hydration conditions
Phosphoric acid, about 300 degrees C and 60-70 atm
Why is air excluded from fermentation?
To favour anaerobic respiration and ethanol production
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