Transition Metal Colours Flashcards
1
Q
[Cu(H2O)6]2+
A
pale blue
2
Q
Cu(OH)2 (s)
A
pale blue precipitate
3
Q
[Cu(NH3)4(H2O)2]2+
A
dark blue
4
Q
CuCl4 2-
A
yellow
5
Q
CuI (Cu+)
I2
A
CuI: white precipitate
I2: brown
6
Q
CuSO4 (Cu2+)
Cu
A
CuSO4: blue solution
Cu: brown solid
7
Q
CoCl4 2-
A
deep blue
8
Q
[Cr(H2O)6]3+
A
pale purple (impurities or heat can be green)
9
Q
Cr(OH)3 (s)
A
dark green precipitate
10
Q
[Cr(NH3)6]3+
A
purple
11
Q
[Cr(OH)6]3-
A
dark green solution
12
Q
Cr2O7 2-
A
orange
13
Q
(CrO4) 2-
A
yellow
14
Q
[Mn(H2O)6]2+
A
pale pink
15
Q
Mn(OH)2 (s)
A
pale brown
16
Q
[Fe(H2O)6]2+
A
pale green
17
Q
Fe(OH)2 (s)
A
dark green
18
Q
[Fe(H2O)6]3+
A
yellow
19
Q
Fe(OH)3 (s)
A
orange-brown precipitate
