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IB Chemistry HL 3.2.3 Periodic Trends in Redox Questions

Use real HL exam questions to order metal reactivity, interpret displacement observations and link extraction to redox ease.

Syllabus
First assessment 2025
Course
Chemistry HL
Level
HL

Exam points

  • Deduce a metal activity series from displacement results, reaction observations or supplied reduction tendencies.
  • Predict or interpret a metal or halogen displacement reaction and identify the observation confirming relative ease of oxidation or reduction.
  • Explain why metal extraction uses carbon reduction or electrolysis according to the reducibility of the metal ion and ease of metal oxidation.

Learn this topic

Study 3.2.3—Periodic trends in redox conceptsOpen the corresponding Concept lesson for explanations, examples and exam connections.

IB Chemistry HL 3.2.3 Periodic Trends in Redox Questions question 1

[Maximum number: 2]

Bleaches in which chlorine is the active ingredient are the most common, although some environmental groups have concerns about their use.

Outline, with the help of a chemical equation, why this reaction occurs.

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