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ZIMSEC A-Level Chemistry

6.1.6.1Redox processes

Redox processes in ZIMSEC A-Level Chemistry: what the syllabus expects you to know, the learning objectives and how to practise.
Subtopic23 practice questions1 lesson

Learning objectives

What the syllabus expects you to be able to do.

  1. 6.1.6.1.1Describe redox processes in terms of electron transfer and changes in oxidation state.

Lessons

  • Redox: oxidation numbers, oxidising and reducing agents

    40 min

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Sample question

A sample question on this topic. Answer it, check it, then read the worked answer.

Redox processes: sample question

1 mark

What is the oxidation number of sulfur in the tetrathionate ion, SX4OX6X2−\ce{S4O6^2-}?

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