Transition metal colours Flashcards
1
Q
Colour of Cu(OH)2
A
Pale blue
2
Q
Colour of Cr3+ / [Cr(H2O)6]3+
A
Violet
3
Q
Colour of [Cr(H2O)5SO4]+
A
Green
4
Q
Colour of Cr2+
A
Blue
5
Q
Colour of [Cr(NH3)6]3+
A
purple
6
Q
Cr(OH)3
A
grey-green
7
Q
[Cr(OH)6]3-
A
dark green
8
Q
Cr2O72-
A
orange
9
Q
Mn2+
A
pale pink
10
Q
MnO4-
A
purple
11
Q
Mn(OH)2
A
light brown
12
Q
Fe2+
A
pale yellow
13
Q
Fe3+
A
pale green
14
Q
Fe(OH)2
A
Green
15
Q
Fe(OH)3
A
Orange /brown
