The Carboxyl Group (-COOH) Structure

Part of Carboxylic Acids · Section 4 of 15

Deep DiveUnit: Organic ChemistryGCSE

This deep dive covers The Carboxyl Group (-COOH) Structure within Carboxylic Acids for GCSE Chemistry. Revise Carboxylic Acids in Organic Chemistry for GCSE Chemistry with 22 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 4 of 15 in this topic. Use this deep dive to connect the idea to the wider topic before moving on to questions and flashcards.

🧲 The Carboxyl Group (-COOH) Structure

What Makes -COOH Special?

  • Combines a carbonyl group (C=O) with a hydroxyl group (OH)
  • The carbon is bonded to: oxygen (double bond), OH group, and the rest of the molecule
  • This structure allows the hydrogen to be released as H⁺ ions

Practice questions for Carboxylic Acids

What is the functional group present in all carboxylic acids?

  • A. -OH
  • B. C=C
  • C. -COOH
  • D. C=O only
1 markfoundation

Explain why carboxylic acids are described as weak acids.

2 marksstandard

Quick recall flashcards

What is the formula of ethanoic acid?
CH₃COOH
What are carboxylic acids?
Organic compounds containing the -COOH carboxyl functional group

22 questions on Carboxylic Acids — practise free

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