Colours of metal ions in solution

?
Iron (II) Fe 2+
green
1 of 8
copper (II) Cu 2+
blue
2 of 8
cobalt (II) Co 2+
pink
3 of 8
chromium (III) Cr 3+
green
4 of 8
chromate (VI) CrO4 2-
yellow
5 of 8
Iron (III) Fe 3+
red-brown
6 of 8
manganate (VII) MnO4 -
purple
7 of 8
dichromate (VI) Cr2O7 2-
orange
8 of 8

Other cards in this set

Card 2

Front

copper (II) Cu 2+

Back

blue

Card 3

Front

cobalt (II) Co 2+

Back

Preview of the front of card 3

Card 4

Front

chromium (III) Cr 3+

Back

Preview of the front of card 4

Card 5

Front

chromate (VI) CrO4 2-

Back

Preview of the front of card 5
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