IB Chemistry HL 3.2.10 Reduction of Organic Functional Groups Questions

Use real HL exam questions to deduce organic reduction products and explain hydride-ion transfer from acids, aldehydes and ketones.

Syllabus
First assessment 2025
Course
Chemistry HL
Level
HL

Exam points

  • Identify the product when a carboxylic acid, aldehyde or ketone is reduced, distinguishing primary and secondary alcohol products.
  • Use hydride-ion transfer to explain or write the reduction of a carboxylic acid, aldehyde or ketone to the corresponding alcohol.
  • Distinguish reduction from oxidation and substitution by comparing the starting functional group, carbon skeleton and product structure.

IB Chemistry HL 3.2.10 Reduction of Organic Functional Groups Questions question 1

[Maximum number: 2]

Ethanol is obtained by the hydration of ethene, C2H4\mathrm{C}_{2} \mathrm{H}_{4}.

Alternative synthetic routes exist to produce alcohols.

Propan-2-ol can also be formed in one step from a compound containing a carbonyl group.

State the name of this compound and the type of reaction that occurs.

Name of carbonyl compound:

Type of reaction:

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