colours of ions Flashcards
1
Q
V²⁺
A
purple
2
Q
V³⁺
A
green
3
Q
VO²⁺
A
blue
4
Q
VO₂⁺
A
yellow
5
Q
Cr³⁺
A
green
6
Q
Cr₂O₇²⁻
A
orange
7
Q
Mn²⁺
A
pale pink
8
Q
MnO₄⁻
A
pink/purple
9
Q
Fe²⁺
A
green
10
Q
Fe³⁺
A
brown/yellow
11
Q
Cu²⁺
A
blue
12
Q
Co²⁺
A
pink
