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ZIMSEC A-Level Chemistry

6.4.1.4Vanadium and chromium

Vanadium and chromium 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. 6.4.1.4.1Describe the occurrence, relative stability and colours of vanadium ions and compounds, and the uses of vanadium and its compounds.
  2. 6.4.1.4.2Describe the occurrence, relative stability and colours of chromium(III) and chromium(VI) ions and compounds, and the uses of chromium and its compounds.
  3. 6.4.1.4.3Describe the use of dichromate(VI) as an oxidising agent and the chromate(VI)-dichromate(VI) interconversion with dilute acid and alkali.

Lessons

  • Vanadium and chromium and their compounds

    45 min

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Sample question

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Vanadium and chromium: sample question

1 mark

What is the oxidation state of vanadium in VOX2X+\ce{VO2+}?

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