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ZIMSEC A-Level Chemistry

6.4.1.6Iron

Iron in ZIMSEC A-Level Chemistry: what the syllabus expects you to know, the learning objectives and how to practise.
Subtopic22 practice questions1 lesson

Learning objectives

What the syllabus expects you to be able to do.

  1. 6.4.1.6.1Describe the occurrence, extraction, relative stability and colours of iron compounds.
  2. 6.4.1.6.2Describe the effect of pH and of the cyanide ligand on the stability of iron and its ions.
  3. 6.4.1.6.3Explain the biochemical importance of iron in haemoglobin and in cytochromes.
  4. 6.4.1.6.4Analyse the rusting of iron and its prevention.
  5. 6.4.1.6.5Distinguish Fe²⁺(aq) and Fe³⁺(aq) using Fe(CN)₆³⁻(aq) and SCN⁻(aq), and describe the uses of iron and its compounds.

Lessons

  • Iron: extraction, ions, rusting and biochemistry

    50 min

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Sample question

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

Iron: sample question

1 mark

Which reagent gives a deep red colour with iron(III) ions but not with iron(II) ions?

Choose one answer

Turn Iron into a strength.

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