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Aldehydes and ketones (A-level only) key terms

Study Aldehydes and ketones (A-level only) with curriculum-aligned Key Terms resources, practice links, and exam-focused support.

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key terms

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Aldehydes and ketones (A-level only)

AqaA LevelChemistryOrganic chemistry

Key terms

  • Aldehyde

    An organic compound containing a carbonyl group (C=O) bonded to at least one hydrogen atom.

  • Ketone

    An organic compound containing a carbonyl group (C=O) bonded to two carbon atoms.

  • Oxidation

    The process of losing electrons or increasing oxidation state, often involving the addition of oxygen or removal of hydrogen.

  • Reduction

    The process of gaining electrons or decreasing oxidation state, often involving the addition of hydrogen or removal of oxygen.

  • Oxidation

    The process of losing electrons or increasing oxidation state, often involving the addition of oxygen or removal of hydrogen.

  • Carboxylic Acid

    An organic compound containing a carboxyl group (-COOH), formed by the oxidation of aldehydes.

  • 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.