AQA Chemistry Unit 5 Metal-aqua Ions

A way to learn all colours and equations of the complex ion solutions and precipitates.

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  • Created by: Amelia
  • Created on: 21-05-13 11:50
Preview of AQA Chemistry Unit 5 Metal-aqua Ions

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[Co(H20)6]2+ + CO32- CoCO3 + 6H2O
CoCO3
Precipitate
With Na2CO3
[Co(H2O)6]2+
Solution
With OH/NH3
Co(H2O)4(OH)2
Blue-Green precipitate
[Co(H20)6]2+ + 2OH- Co(H2O)4(OH)2
+ 2H2O
[Co(H20)6]2+ + 2NH3 Co(H2O)4(OH)2
+ 2H2O + 2NH4+
No Change
[Co(NH3)6]2+
Straw coloured solution

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Page 2

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Co(H20)6]2+ + 6NH3 [Co(NH3)6]2+ +
6H2O
[Cu(H2O)6]2+ + CO32- CuCO3 + 6H2O
CuCO3
Blue-Green Precipitate
With Na2CO3
[Cu(H2O)6]2+
Solution
With OH-/NH3
Cu(H2O)4(OH)2
Precipitate
[Cu(H20)6]2+ + 2OH- Cu(H2O)4(OH)2
+ 2H2O
[Cu(H20)6]2+ + 2NH3 Cu(H2O)4(OH)2
+ 2H2O + 2NH4+
No Change
[Cu(NH3)4(H2O)2]2+…read more

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Deep blue precipitate
[Cu(H2O)6]2+ + 4NH3 [Cu(NH3)4(H2O)2]2+
+ 3H2O
[Fe(H2O)6]2+ + CO32- FeCO3 + 6H2O
FeCO3
Precipitate
With Na2CO
[Fe(H2O)6]2+
Solution
With OH-/NH3
Fe(H2O)4(OH)2
Precipitate
No Changes…read more

Page 4

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Fe(H2O)6]3+ + 3CO32- 2Fe(H2O)3(OH)3
+ 3H2O + 3CO2
Fe(H2O)3(OH)3
Precipitate
With Na2CO
[Fe(H2O)6]3+
Solution
With OH-/NH3
Fe(H2O)3(OH)3
Precipitate
No Changes…read more

Page 5

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Al(H20)6]3+ + 3CO32- 2Al(H2O)3(OH)3
+ 3H2O + 3CO2
Al(H2O)3(OH)3
Precipitate
With Na2CO3
[Al(H2O)6]3+
Solution
With OH/NH3
Al(H2O)3(OH)3
Precipitate
[Al(H20)6]3+ + 3OH- Al(H2O)3(OH)3
+ 3H2O
[Al(H20)6]3+ + 3NH3 Al(H2O)3(OH)3
+ 2H2O + 3NH4+
No Change
[Al(H2O)2(OH)4]-
Solution
[Al(H2O)6]3+ + 4OH- [Al(H2O)2(OH)4]- + 4H2O…read more

Page 6

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Cr(H20)6]3+ + 3CO32 2Cr(H2O)3(OH)3
+ 3H2O + 3CO2
Cr(H2O)3(OH)3
Precipitate
With Na2CO3
[Cr(H2O)6]3+
Solution
With OH/NH3
Cr(H2O)3(OH)3
Precipitate
[Cr(H20)6]3+ + 3OH- Cr(H2O)3(OH)3
+ 3H2O
[Cr(H20)6]3+ + 3NH3 Cr(H2O)3(OH)3
+ 2H2O + 3NH4+
[Cr(OH)6]3- [Cr(NH3)6]3+
Solution Solution
[Cr(H2O)6]3+ + 6OH- [Cr(OH)6]3- + 6H2O
[Cr(H2O)6]3+ +6NH3 [Cr(NH3)6]3+ + 6H2O…read more

Comments

Uman Nulla

Just the kind of resource I was looking for! :)

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