IB Chemistry SL Reactivity 3.2.10 Reduction of Organic Functional Groups

Practise mapping carbonyl and carboxyl functional groups to their reduction products. Convert aldehydes and carboxylic acids to primary alcohols, ketones to secondary alcohols…

Syllabus
First assessment 2025
Objective
3.2.10
Level
SL

Exam points

  • predict primary alcohols from reduction of aldehydes or carboxylic acids
  • predict secondary alcohols from ketone reduction while preserving the carbon skeleton
  • describe hydride-ion delivery as reduction without requiring named reagents or mechanisms

3.2.10—Reduction of organic functional groups question 1

[Maximum number: 1]

Which product may be obtained by the reduction of CH3CH2COOH\mathrm{CH}_{3} \mathrm{CH}_{2} \mathrm{COOH} ?

A

CH3CH(OH)CH3\mathrm{CH}_{3} \mathrm{CH}(\mathrm{OH}) \mathrm{CH}_{3}

B

CH3CH2CH2OH\mathrm{CH}_{3} \mathrm{CH}_{2} \mathrm{CH}_{2} \mathrm{OH}

C

CH3CH2OCH3\mathrm{CH}_{3} \mathrm{CH}_{2} \mathrm{OCH}_{3}

D

CH3COOCH3\mathrm{CH}_{3} \mathrm{COOCH}_{3}

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