Colours of ions Flashcards
(39 cards)
1
Q
[Cu(H2O)6]^2+
A
pale blue
2
Q
[Cu(OH)2(H2O)4]
A
pale blue ppt
3
Q
[Cu(NH3)4(H2O)2]^2+ (aq)
A
dark blue
4
Q
CuCl4^2-
A
yellow
5
Q
CuI(s) / I2(aq)
A
white ppt
brown solution
6
Q
CuSO4(aq)
A
blue solution
7
Q
Cu(s)
A
brown
8
Q
[Cr(H2O)6]3+ (aq)
A
pale purple
9
Q
(Cr(OH)3) (s)
A
dark green ppt
10
Q
[Cr(NH3)6]^3+ (aq)
A
purple solution
11
Q
[Cr(OH)6]^3- (aq)
A
dark green solution
12
Q
Cr2O7^2- (aq)
A
orange solution
13
Q
CrO4^2-
A
yellow
14
Q
[Mn(H2O)6]^2+ (aq)
A
pale pink solution
15
Q
Mn(OH)2 (s)
A
pale brown ppt
16
Q
[Fe(H2O)6]^2+ (aq)
A
pale green solution
17
Q
Fe(OH)2 (s)
A
dark green ppt
18
Q
[Fe(H2O)6]^3+
A
yellow solution
19
Q
Fe(OH)3 (s)
A
orange-brown ppt
20
Q
MnO4-
A
purple
21
Q
Mn2+
A
pale pink
22
Q
NH3 dropwise to Cu^2+
A
Cu(OH)2 (s)
23
Q
excess NH3 to Cu^2+
A
[Cu(NH3)4(H2O)2]^2+ (aq)
24
Q
excess HCl to Cu^2+
A
CuCl4^2-
25
Cu2+ + I-
CuI + I2
26
Cu+ + CuSO4
Cu2+ / Cu
27
excess HCl to CoCl2.6H2O
CoCl4^2-
28
NH3 added dropwise to [Cr(H2O)6]^3+
Cr(OH)3 (s)
29
excess NH3 to Cr^2+
[Cr(NH3)6]^3+
30
excess NaOH to Cr(OH)3 (s)
[Cr(OH)6]^3+
31
Cr^3+ with hot alkaline H2O2
CrO4^2-
32
NaOH dropwise to [Mn(H2O)6]^2+
Mn(OH)2 (s)
33
NaOH dropwise to [Mn(H2O)6]^2+
Mn(OH)2 (s)
34
NaOH dropwise to [Fe(H2O)6]^2+
Fe(OH)2 (s)
35
NaOH dropwise to [Fe(H2O)6]^3+
Fe(OH)3 (s)
36
VO2^2+
yellow
37
VO2+
blue
38
V3+
green
39
V2+
violet
