Colours + Reactions Flashcards

1
Q

What are the colours for vanadium?

A

(You Better Get Vanadium)
Y - yellow - VO2 +
B - blue - VO2+
G - green - V3+
V - violet - V2+

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2
Q

State the colours:
- Cr3+
- CrO4 2-
- Cr2O7 2-
- Mn2+
- MnO4 -
- Fe2+
- Fe3+
- Co2+
- Cu2+

A
  • Cr3+ chromium(III) green
  • CrO4 2- chromate(VI) yellow
  • Cr2O7 2- dichromate(VI) orange
  • Mn2+ manganese(II)pale pink
  • MnO4 - manganate(VII)purple
  • Fe2+ iron(II) green
  • Fe3+ iron(III) brown
  • Co2+ cobalt(II) pink
  • Cu2+ copper(II) blue
  • Al3+ aluminium(III) colourless
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3
Q
A
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