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Learning objective

Outline nucleophilic addition reactions of carbonyl compounds.

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Topic

Aldehydes and ketones (A-level only)

Subtopic

Aldehydes and ketones (A-level only)

Aqa A Level ChemistryOrganic chemistry

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Quick explanation

Outline nucleophilic addition reactions of carbonyl compounds

  • This point belongs to Aldehydes and ketones (A-level only), especially Aldehydes and ketones (A-level only).
  • You need to be able to outline nucleophilic addition reactions of carbonyl compounds.
  • The key ideas to know are carbonyl and nucleophilic addition.
  • Use the linked flashcards and practice questions to check recall, then practise applying the idea in an exam-style answer.

Key concepts

carbonylnucleophilic addition

Why it matters

This objective helps connect Aldehydes and ketones (A-level only) to exam-style questions, flashcards, and revision notes for Aldehydes and ketones (A-level only).

Quick student answer

Which of the following is a characteristic reaction of aldehydes?

Direct answer

Aldehydes undergo oxidation to form carboxylic acids.

Key terms

  • Nucleophilic Addition: A reaction mechanism where a nucleophile attacks an electrophilic carbon atom in a carbonyl compound, resulting in the formation of a new bond.
  • Cyanohydrin: A compound formed from the reaction of hydrogen cyanide with a carbonyl compound, containing both a hydroxyl group and a cyano group.

Common trap

Confusing aldehydes with ketones: Remember that aldehydes are more reactive than ketones due to less steric hindrance around the carbonyl carbon.

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