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+
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
3
Q
A