Cambridge AS & A Level Chemistry
17.1Aldehydes and ketones
Aldehydes and ketones in Cambridge AS & A Level Chemistry: what the syllabus expects you to know, the learning objectives and how to practise.
Subtopic46 practice questions2 lessons
Learning objectives
What the syllabus expects you to be able to do.
- 17.1.1Recall how aldehydes and ketones are produced by oxidising primary and secondary alcohols.
- 17.1.2Describe reduction with NaBH₄ or LiAlH₄ and the reaction with HCN/KCN to give hydroxynitriles.
- 17.1.3Describe the nucleophilic addition mechanism of HCN with aldehydes and ketones.
- 17.1.4Describe the use of 2,4-DNPH to detect carbonyl compounds.
- 17.1.5Deduce whether a carbonyl compound is an aldehyde or a ketone from simple tests.
- 17.1.6Deduce a CH₃CO– group from the reaction with alkaline iodine.
Lessons
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Aldehydes and ketones: preparation, reduction and tests
50 min
- Full access
Nucleophilic addition to aldehydes and ketones
45 min
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Sample question
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Turn Aldehydes and ketones into a strength.
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