Ions & Reactions Flashcards
(28 cards)
1
Q
Fe+3 Ion
A
Pale Yellow
2
Q
Fe3+ + NaOH
A
Orange/Brown PPT
Fe(OH)3
3
Q
Fe3+ + excess NaOH
A
Insoluble
4
Q
Fe3+ + NH3
A
Orange/Brown PPT
Fe(OH)3
5
Q
Fe3+ + excess NH3
A
Insoluble
6
Q
Fe2+ Ion
A
Pale Green
7
Q
Fe2+ + NaOH
A
Green PPT (brown overtime) Fe(OH)2
8
Q
Fe2+ + excess NaOH
A
Insoluable
9
Q
Fe2+ + NH3
A
Green PPT (brown overtime) Fe(OH)2
10
Q
Fe2+ + excess NH3
A
Insoluable
11
Q
Mn2+ Ion
A
Pale pink
12
Q
Mn2+ + NaOH
A
Light brown/Buff PPT
Mn(OH)2
13
Q
Mn2+ + excess NaOH
A
Insoluable
14
Q
Mn2+ +NH3
A
Light brown/Buff PPT
Mn(OH)2
15
Q
Mn2+ excess NH3
A
Insoluble
16
Q
Cu2+ ion
A
Blue
17
Q
Cu2+ + NaOH
A
Blue PPT
Cu(OH)2
18
Q
Cu2+ + excess NaOH
A
Insoluable
19
Q
Cu2+ + NH3
A
Blue PPT
Cu(OH)2
20
Q
Cu2+ + excess NH3
A
DEEP Blue SOLUTION
[Cu(NH3)4(H20)2]
21
Q
Cr3+ Ion
A
Dark Green
22
Q
Cr3+ + NaOH
A
Green PPT
Cr(OH)3
23
Q
Cr3+ + excess NaOH
A
Green SOLUTION
(Cr(OH)6)3-
24
Q
Cr3+ + NH3
A
Green PPT
Cr(OH)3
25
Cr3+ +excess NH3
Purple SOLUTION
| [Cr(NH3)6]3+
26
Cu2+ + excess Cl-
Yellow SOLUTION
| [CuCl4]2-
27
why is Zn not a transition element
Has a full d dubshell when forming 2+ ion
| Electrons leave 4s2 subshell
28
Why is Sc not a transition element
Has no d subshell when forming 3+ ion
| electrons leave 4s2 and 3d1
