AQA CHEM5 Transition metal colours

Word document table presentation of the colours of the products of reactions of Fe(III), Fe(II), Cr, Co, Cu & Al reactions with hydroxide ions, carbonate ions, ammonia and chloride ions. Equations for reactions are also shown.

HideShow resource information
  • Created by: Sophie
  • Created on: 23-04-14 20:01
Preview of AQA CHEM5 Transition metal colours

First 146 words of the document:

OH- OH-
Equation [Al(H2O)6]3+ + 3OH- Equation [Cr(H2O)6]3++ 3OH-
Al(H2O)3(OH)3 + 3H2O Cr(H2O)3(OH)3 + 3H2O
Excess Excess
OH- OH-
Equation Al(H2O)3(OH)3 + 3OH- Equation Cr(H2O)3(OH)3 + 3OH-
[Al(OH)6]3- + 3H2O [Cr(OH)6]3- + 3H2O
NH3 NH3
Equation [Al(H2O)6]3++ 3NH3 Equation [Cr(H2O)6]3++ 3OH-
Al(H2O)3(OH)3 + 2H2O+ 3NH4+ Cr(H2O)3(OH)3 + 2H2O+ 3NH4+
Excess Excess
NH3 NH3
Equation Equation Cr(H2O)3(OH)3 + 6NH3
[Cr(NH3)6]3+ + 3H2O + 3OH-
CO 32- CO 32-
Equation 2[Al(H2O)6]3++ 3CO32- Equation 2[Cr(H2O)6]3++ 3CO32-
2[Al(H2O)3(OH)3] + 3CO2 + 3H2O 2[Cr(H2O)3(OH)3] + 3CO2 + 3H2O
Cl- Cl-
Equation Equation

Other pages in this set

Page 2

Preview of page 2

Here's a taster:

OH- O
H
Equation [Co(H2O)6]2++ 2OH- E [Cu(H2O)6]2++ 2OH-
Co(H2O)4(OH)2 + 2H2O q Cu(H2O)4(OH)2 + 2H2O
u
a
t
i
o
n
Excess E
OH- x
c
e
s
s
O
H
Equation E
q
u
a
t
i
o
n
NH3 N
H
Equation Co(H2O)6]2++ 2OH- E [Cu(H2O)6]2++ 2OH-
Co(H2O)4(OH)2 + 2H2O+ 2NH4+ q Cu(H2O)4(OH)2 + 2H2O+ 2NH4
u…read more

Page 3

Preview of page 3

Here's a taster:

Excess E
NH3 x
c
e
s
s
N
H
Equation Co(H2O)4(OH)2 + 6NH3 E Cu(H2O)4(OH)2 +4NH3
[Co(NH3)6]2+ + 4H2O + 2OH- q [Cu(NH3)4(H2O)2]2+ + 2H2O + 2O
u
a
t
i
o
n
CO 32- C
O
2
3
-
Equation [Co(H2O)6]2++ CO32- E [Cu(H2O)6]2++ CO32-
CoCO3 + 6H2O q CuCO3 + 6H2O
u
a
t
i
o
n
Cl- C
l
-…read more

Page 4

Preview of page 4

Here's a taster:

Equation [Co(H2O)6]2++ 4Cl- Equation [Cu(H2O)6]2++ 4Cl-
[CoCl4]2- + 6H2O [CuCl4]2- + 6H2O
OH- O
H
Equation [Fe(H2O)6]2++ 2OH- E [Fe(H2O)6]3++ 3OH-
Fe(H2O)4(OH)2 + 2H2O q Co(H2O)3(OH)3 + 3H2O
u
a
t
i
o
n
Excess E
OH- x
c
e
s
s
O
H
Equation E
q
u
a
t
i
o
n…read more

Page 5

Preview of page 5

Here's a taster:

NH3 N
H
Equation [Fe(H2O)6]2++2OH- E [Fe(H2O)6]3++ 3OH
Fe(H2O)4(OH)4 + 2H2O+ 4NH4+ q Fe(H2O)3(OH)3 + 2H2O+ 3NH4
u
a
t
i
o
n
Excess E
NH3 x
c
e
s
s
N
H
Equation E
q
u
a
t
i
o
n
CO 32- C
O
2
3
-
Equation [Fe(H2O)6]2++ CO32- E 2[Fe(H2O)6]3++ 3CO32-
FeCO3 + 6H2O q 2[Fe(H2O)3(OH)3] + 3CO2 + 3H
u
a
t…read more

Page 6

Preview of page 6

Here's a taster:

Cl- C
l
-
Equation Equation…read more

Comments

No comments have yet been made

Similar Chemistry resources:

See all Chemistry resources »See all resources »