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ZIMSEC A-Level Chemistry

6.3.4.1Nomenclature, isomerism and preparation

Nomenclature, isomerism and preparation in ZIMSEC A-Level Chemistry: what the syllabus expects you to know, the learning objectives and how to practise.
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Learning objectives

What the syllabus expects you to be able to do.

  1. 6.3.4.1.1Use nomenclature and displayed formulae to describe aldehydes and ketones and explain their isomerism.
  2. 6.3.4.1.2Describe the formation of aldehydes and ketones from primary and secondary alcohols.
  3. 6.3.4.1.3Describe the reduction of aldehydes and ketones with NaBH₄.
  4. 6.3.4.1.4Suggest a suitable test for a given carbonyl compound (2,4-DNPH, Fehling's solution, alkaline iodine, Tollens' reagent).

Lessons

  • Aldehydes and ketones: preparation, reduction and tests

    50 min

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Sample question

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Nomenclature, isomerism and preparation: sample question

1 mark

What is seen when propanal is warmed with Fehling's solution?

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