Colours of all aqueous and complex ions Flashcards
1
Q
[Cr(H2O)6]^3+ (aq)
A
Dark green
2
Q
[Cu(H2O)6]2+ (aq)
A
Bright blue
3
Q
[Fe(H2O)6]^2+ (aq)
A
Pale green
4
Q
[Fe(H2O)6]^3+ (aq)
A
Yellow
5
Q
[Co(H2O)6]^2+ (aq)
A
Pink
6
Q
[CuCl4]^2- (aq)
A
Yellow/green
7
Q
[CoCl4]^2- (aq)
A
Blue
8
Q
Cr2O72- (aq) - dichromate
A
Orange in acid
9
Q
CrO4^2- (aq) - chromate
A
Yellow in alkali
10
Q
MnO4^- (aq_
A
Purple
11
Q
[Fe(H2O)4(OH)2] (s)
A
Dark green precipitate
12
Q
Fe(OH3) (s)
A
Rust brown precipitate
13
Q
[Cu(OH)2(H2O)4] (s)
A
Blue precipitate
14
Q
[Cr(OH)3(H2O)3] (s)
A
Grey green precipitate
15
Q
[Cr(OH)3(H2O)3]^3+ (aq)
A
Grey/green
