IB Chemistry SL Reactivity 3.2.9 Oxidation of Organic Functional Groups

Practise predicting oxidation products of primary and secondary alcohols and selecting conditions that control further oxidation. Distinguish distillation from reflux, map…

Syllabus
First assessment 2025
Objective
3.2.9
Level
SL

Exam points

  • map primary alcohol oxidation through an aldehyde to the corresponding carboxylic acid
  • map a secondary alcohol to a ketone and recognise the different tertiary-alcohol outcome
  • select distillation to remove an aldehyde or reflux to favour further oxidation to an acid

3.2.9—Oxidation of organic functional groups question 1

[Maximum number: 2]

Ethanol is a primary alcohol that can be oxidized by acidified potassium dichromate(VI). Distinguish between the reaction conditions needed to produce ethanal and ethanoic acid.

Ethanal:
Ethanoic acid:

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