organic ions colours Flashcards
1
Q
[Cu(H2O)6]2+
A
pale blue
2
Q
Cu(OH)2(s)
A
pale blue PPT
3
Q
[Cu(NH3)4(H2O)2]2+
A
dark blue
4
Q
CuCl42–
A
yellow
5
Q
Cu+
A
CuI white ppt
I2 brown
6
Q
Cu2+ / Cu
A
CU brown solid
Cus04 blue solution
7
Q
CoCl42–
A
blue
8
Q
[Cr(H2O)6]3+
A
pale purple
can appear green due to impurtities
9
Q
Cr(OH)3(s)
A
Dark green PPT
10
Q
[Cr(NH3)6]3+
A
PURPLE
11
Q
[Cr(OH)6]3–
A
dark green
12
Q
Cr2O7 2–
A
orange
13
Q
CrO4 2–
A
yellow
14
Q
[Mn(H2O)6]2+
A
pale pink
15
Q
Mn(OH)2(s)
A
pale brown ppt
16
Q
[Fe(H2O)6]
2+
A
pale green
17
Q
Fe(OH)2(s)
A
dARK GREEN PPT
18
Q
[Fe(H2O)6]
3+
A
yellow
19
Q
Fe(OH)3(s)
A
organge brown ppt
20
Q
MnO4–/Fe2+ Mn2+/Fe3+
A
purple (MnO4–) to pale pink (Mn2+)
21
Q
I–/Fe3+ I2/Fe2+
A
orange brown (Fe3+) to brown (I2)
