Colours of Transition Metals Flashcards
1
Q
[Fe(H2O)6]2+
A
green solution
2
Q
Fe(OH)2
A
green gelatinous precipitate turning rusty brown on standing
3
Q
[Fe(H2O)6]3+
A
yellow solution
4
Q
Fe(OH)3
A
orange gelatinous precipitate
5
Q
[Cu(H2O)6]2+
A
blue solution
6
Q
Cu(OH)2
A
pale blue precipitate
7
Q
[Cu(NH3)4(H2O)2]2+
A
deep blue solution
8
Q
[CuCl4]2-
A
yellow solution
9
Q
[Cu(edta)]2-
A
blue solution
10
Q
[Co(H2O)6]2+
A
pink solution
11
Q
Co(OH)2
A
blue gelatinous precipitate turning beige on standing
12
Q
[CoCl4]2-
A
blue solution
13
Q
Mn2+
A
pale pink solution
14
Q
MnO4-
A
purple solution
15
Q
Cr3+
A
green solution
