Transition metals Colours Flashcards
0
Q
[CuCl4] 2-
A
Yellow green
1
Q
[Cu(H2O)6] 2+
A
Blue
2
Q
[Co(H2O)6] 2+
A
Pink
3
Q
[CoCl4] 2-
A
Blue
4
Q
[Cu(NH3)4(H2O)2] 2+
Tetraamminediaqua copper 2+
A
Deep blue
5
Q
[Cu(H2O)4(OH)2]
A
Blue precipitate
6
Q
Co(NH3)6 2+
Co(NH3)6 3+
A
Straw
Brown
7
Q
Cr(H2O)6 3+
A
Ruby red
8
Q
Cr(NH3)6 3+
A
Violet/purple
9
Q
Cr(H2O)3(OH)3
A
Grey green precipitate
10
Q
Fe(h2O)6 2+
A
Green
11
Q
Fe(h2o)4(oh)2
A
Green precipitate
12
Q
Fe(h2o)6 3+
A
Yellow or violet
13
Q
Fe(h2o)3(oh)3
Iron 3 hydroxide
A
Rust
Orange brown
14
Q
Cr(h2o)3 (oh) 3
A
Green precipitate
15
Q
Cr(OH)6 3-
A
Green solution
16
Q
Al3+
Clue: not a TM
A
Colourless
17
Q
Al(h2o)3 (oh)3
A
White precipitate
18
Q
[Al(H2O)2(OH)4]-
A
Colourless solution
