Transition Metal Colours Flashcards
1
Q
What colour is [Cu(H2O)6]2+?
A
Pale blue
2
Q
What colour is [Cr(H2O)6]3+?
A
Violet (pale purple)
3
Q
What colour is [Cu(NH3)4(H2O)2]2+?
A
Dark blue
4
Q
What colour is Cu(OH)2?
A
Pale blue ppt
5
Q
What colour is [CuCl4]2-?
A
Yellow
6
Q
What colour is [Cr(H2O)5SO4]+ ?
A
Green
7
Q
What colour is [Cr(NH3)6]3+?
A
Purple
8
Q
What colour is Cr(OH)3?
A
Grey-green ppt
9
Q
What colour is [Fe(H2O)6]2+/Fe2+?
A
Pale green
10
Q
What colour is [Fe(H2O)6]3+/Fe3+?
A
Pale yellow
11
Q
What colour is Fe(OH)2?
A
Green ppt
12
Q
What colour is Fe(OH)3?
A
Orange-brown ppt
13
Q
What colour is [Mn(H2O)6]2+/Mn2+?
A
Pale pink
14
Q
What colour is Mn(OH)2?
A
Light brown ppt
15
Q
What colour is [Cr(OH)6]3-?
A
Dark green
