Organic ChemistryIntroduction

The Functional Group Family

Part of AlcoholsGCSE Chemistry

This introduction covers The Functional Group Family 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 1 of 13 in this topic. Use this introduction to connect the idea to the wider topic before moving on to questions and flashcards.

Topic position

Section 1 of 13

Practice

20 questions

Recall

15 flashcards

🍺 The Functional Group Family

Meet the alcohols — one of the most familiar and important organic families! From the ethanol in wine to the methanol powering race cars, these compounds all share one special feature: the magical -OH group that transforms simple hydrocarbons into versatile, reactive molecules with amazing properties.
🏠 The House Extension Analogy

Adding an -OH group is like building a conservatory onto your house! Take a simple alkane (basic house) and attach an -OH group (conservatory) — suddenly you have new functionality! The conservatory changes how the house looks, feels, and what you can do inside. Similarly, that -OH group completely transforms the molecule's properties and behaviour.

The -OH functional group is the game-changer. This tiny addition turns unreactive alkanes into compounds that can dissolve in water, burn cleanly as fuels, and participate in countless chemical reactions.

From ancient brewery fermentation to modern industrial production, alcohols have shaped human civilisation. They're renewable fuels, essential solvents, and the starting point for making countless other chemicals.

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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