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Edexcel A-Level Chemistry A2 17.18 The Colours of the Oxidation States of Vanadium 5 4 3 And 2 In Its Compounds Questions

Use the colour sequence with the oxidation state: V(V) is yellow, V(IV) is blue, V(III) is green and V(II) is purple or mauve.

Syllabus
First assessment 2019
Course
Chemistry YCH11
Level
A2

Exam points

  • Match V2+, V3+, VO2+ and VO2+ colours to purple, green, blue and yellow.
  • Use colour changes to follow stepwise reduction of vanadium(V) to vanadium(II).

Edexcel A-Level Chemistry A2 17.18 The Colours of the Oxidation States of Vanadium 5 4 3 And 2 In Its Compounds Questions question 1

[Maximum number: 2]

This question is about transition metals and their compounds.

Vanadium can exist in the oxidation states +2,+3,+4 and +5.

Complete the table to show the colours of the ions that each of these oxidation states has in aqueous solution.

Table for Question Edexcel A-Level Chemistry A2 17.18 The Colours of the Oxidation States of Vanadium 5 4 3 And 2 In Its Compounds Questions question 1 — Edexcel A-Level Chemistry A2
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