Reactions of metal ions in aqueous solution (AQA ALevel Chemistry)

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28 Terms

1
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Iron (II) aqueous ion

  • [Fe(H2O)6]2+(aq)

  • green solution

2
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Iron (II) aqueous ion and NaOH dropwise

  • Fe(H2O)4(OH)2(s)

  • green ppt formed, (goes brown due to oxidation)

3
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Iron (II) aqueous ion and excess NaOH

no further change

4
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Iron (II) aqueous ion and NH3

  • Fe(H2O)4(OH)4(s)

  • green ppt formed (goes brown due to oxidation)

5
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Iron (II) aqueous ion and excess NH3

no further change

6
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Iron (II) aqueous ion and Na2CO3

  • FeCO3 (s)

  • green precipitate

7
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Iron (II) aqueous ion and conc HCl

[FeCl4]2- yellow solution

8
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Copper (II) aqueous ion

[Cu(H20)6]2+ blue solution

9
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Copper (II) aqueous ion and NaOH

[Cu(H2O)4(OH)2] blue precipitate

10
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Copper (II) aqueous ion and excess NaOH

no further reaction

11
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Copper (II) aqueous ion and NH3

[Cu(H2O)4(OH)2] blue precipitate

12
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Copper (II) aqueous ion and excess NH3

[Cu(H2O)2(NH3)4]2+ deep blue solution

13
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Copper (II) aqueous ion and Na2CO3

CuCO3 blue-green precipitate

14
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Copper (II) aqueous ion and conc HCl

[CuCl4]2- green solution

15
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Iron (III) aqueous ion

[Fe(H2O)6] 3+ pale violet but solution appears orange due to hydrolysis to some [Fe(H2O)5(OH)]2+

16
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Iron (III) aqueous ion and NaOH

[Fe(H2O)3(OH)3] brown precipitate

17
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Iron (III) aqueous ion and excess NaOH

no further reaction

18
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Iron (III) aqueous ion and NH3

[Fe(H2O)3(OH)3] brown precipitate

19
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Iron (III) aqueous ion and excess NH3

no further reaction

20
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Iron (III) aqueous ion and Na2CO3

[Fe(H2O)3(OH)3] brown precipitate and bubbles of CO2 gas produced

21
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Iron (III) aqueous ion and conc HCl

[FeCl4]- yellow solution

22
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Aluminium (III) aqueous ion

[Al(H2O)6]3+ colourless solution

23
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Aluminium (III) aqueous ion and NaOH

[Al(H2O)3(OH)3] white precipitate

24
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Aluminium (III) aqueous ion and excess NaOH

[Al(H2O)2(OH)4]-

25
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Aluminium (III) aqueous ion and NH3

[Al(H2O)3(OH)3] white precipitate

26
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Aluminium (III) aqueous ion and excess NH3

no further reaction

27
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Aluminium (III) aqueous ion and Na2CO3

[Al(H2O)3(OH)3] white precipitate and bubbles of CO2 gas

28
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Aluminium (III) aqueous ion and conc HCl

[AlCl4]- colourless solution