Organic ChemistryComparison

Fermentation vs Hydration Comparison

Part of AlcoholsGCSE Chemistry

This comparison covers Fermentation vs Hydration Comparison within Alcohols for GCSE Chemistry. Revise Alcohols in Organic Chemistry for GCSE Chemistry with 20 exam-style questions and 15 flashcards. This topic appears less often, but it can still be a useful differentiator on mixed-topic papers. It is section 5 of 13 in this topic. Use this comparison to connect the idea to the wider topic before moving on to questions and flashcards.

Topic position

Section 5 of 13

Practice

20 questions

Recall

15 flashcards

⚖️ Fermentation vs Hydration Comparison

Aspect Fermentation Hydration of Ethene
Raw Materials Sugar/starch (renewable) Ethene from crude oil (finite)
Temperature 25-35°C (room temp) 300°C (high energy)
Speed Days to weeks Continuous process
Purity Low (needs distillation) High (pure ethanol)
Environmental Carbon neutral (renewable) Uses fossil fuels
Scale Batch process Large-scale continuous

Keep building this topic

Read this section alongside the surrounding pages in Alcohols. That gives you the full topic sequence instead of a single isolated revision point.

Practice Questions for Alcohols

What is the functional group present in all alcohols?

  • A. -COOH (carboxyl group)
  • B. C=C (carbon-carbon double bond)
  • C. C=O (carbonyl group)
  • D. -OH (hydroxyl group)
1 markfoundation

Explain what happens when ethanol reacts with sodium metal. Include a balanced equation in your answer.

3 marksstandard

Quick Recall Flashcards

What are alcohols?
Organic compounds containing the -OH hydroxyl functional group
What is hydration of ethene?
Adding water to ethene to produce ethanol: C₂H₄ + H₂O → C₂H₅OH

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