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Chemistry > 3.2.6 - Reaction of Metal Aqua Ions > Flashcards

3.2.6 - Reaction of Metal Aqua Ions Flashcards

1
Q

Ions in solution

A

acidic

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2
Q

Acidic solutions of metal ion that form 2+ ions

A

weaker than those that form 3+ ions

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3
Q

Reaction between solutions of metal ions and NaOH

A

form a salt and water in a neutralisation reaction

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4
Q

Equation for reaction between [Fe(H2O)6]2+ and NaOH

A

[Fe(H2O)6]2+ + 2OH- –> [Fe(H2O)4(OH)2] + 2H2O

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5
Q

Equation for reaction between [Cu(H2O)6]2+ and NaOH

A

[Cu(H2O)6]2+ + 2OH- –> [Cu(H2O)4(OH)2] + 2H2O

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6
Q

Equation for reaction between [Fe(H2O)6]3+ and NaOH

A

[Fe(H2O)6]3+ + 3OH- –> [Fe(H2O)3(OH)3] + 3H2O

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7
Q

Equation for reaction between [Al(H2O)6]3+ and NaOH

A

[Al(H2O)6]3+ + 3OH- –> [Al(H2O)3(OH)3] + 3H2O

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8
Q

Colour of [Fe(H2O)4(OH)2] when NaOH has been added

A

green solution –> green precipitate

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9
Q

Colour of [Cu(H2O)4(OH)2] when NaOH has been added

A

blue solution –> blue precipitate

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10
Q

Colour of [Fe(H2O)3(OH)3] when NaOH has been added

A

orange solution –> brown precipitate

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11
Q

Colour of [Al(H2O)3(OH)3] when NaOH has been added

A

colourless solution –> white precipitate

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12
Q

Equation for addition of H3O+ to [Al(H2O)3(OH)3] when NaOH has been added

A

[Al(H2O)3(OH)3] –> [Al(H2O)6]3+

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13
Q

Equation for addition of OH- to [Al(H2O)3(OH)3] when NaOH has been added

A

[Al(H2O)3(OH)3] –> [Al(H2O)2(OH)4]-

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14
Q

Reaction between solutions of metal ions and aqueous ammonia

A

form a salt and ammonium ions

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15
Q

Equation for reaction between [Fe(H2O)6]2+ and NH3

A

[Fe(H2O)6]2+ + 2NH3 –> [Fe(H2O)4(OH)2] + 2NH4+

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16
Q

Equation for reaction between [Cu(H2O)6]2+ and NH3

A

[Cu(H2O)6]2+ + 2NH3 –> [Cu(H2O)4(OH)2] + 2NH4+

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17
Q

Equation for reaction between [Fe(H2O)6]3+ and NH3

A

[Fe(H2O)6]3+ + 3NH3 –> [Fe(H2O)3(OH)3] + 3NH4+

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18
Q

Equation for reaction between [Al(H2O)6]3+ and NH3

A

[Al(H2O)6]3+ + 3NH3 –> [Al(H2O)3(OH)3] + 3NH4+

19
Q

Colour of [Fe(H2O)4(OH)2] when NH3 has been added

A

green solution –> green precipitate

20
Q

Colour of [Cu(H2O)4(OH)2] when NH3 has been added

A

blue solution –> blue precipitate

21
Q

Colour of [Fe(H2O)3(OH)3] when NH3 has been added

A

orange solution –> brown precipitate

22
Q

Colour of [Al(H2O)3(OH)3] when NH3 has been added

A

colourless solution –> white precipitate

23
Q

Reaction between copper(II) salt and excess ammonia

A

ligand substitution

24
Q

Equation for reaction between [Cu(H2O)4(OH)2] and excess ammonia

A

[Cu(H2O)4(OH)2] + 4NH3 –> [Cu(H2O)2(NH3)4]2+ + 2H2O + 2OH-

25
Q

Reaction between solutions of metal 2+ ions and sodium carbonate

A

form insoluble carbonates and water

26
Q

Equation for reaction between [Fe(H2O)6]2+ and Na2CO3

A

[Fe(H2O)6]2+ + CO3 2- –> FeCO3 + 6H2O

27
Q

Equation for reaction between [Cu(H2O)6]2+ and Na2CO3

A

[Cu(H2O)6]2+ + CO3 2- –> CuCO3 + 6H2O

28
Q

Colour of FeCO3 when Na2CO3 has been added

A

green solution –> green precipitate

29
Q

Colour of CuCO3 when Na2CO3 has been added

A

blue solution –> blue-green precipitate

30
Q

Reaction between solutions of metal 3+ ions and sodium carbonate

A

form a salt, water and carbon dioxide

31
Q

Equation for reaction between [Fe(H2O)6]3+ and Na2CO3

A

2[Fe(H2O)6]3+ + 3CO3 2- –> 2[Fe(H2O)3(OH)3] + 3H2O + 3CO2

32
Q

Equation for reaction between [Al(H2O)6]3+ and Na2CO3

A

2[Al(H2O)6]3+ + 3CO3 2- –> 2[Al(H2O)3(OH)3] + 3H2O + 3CO2

33
Q

Colour of [Fe(H2O)3(OH)3] when Na2CO3 has been added

A

orange solution –> brown precipitate with gentle bubbles

34
Q

Colour of [Al(H2O)3(OH)3] when Na2CO3 has been added

A

colourless solution –> white precipitate with gentle bubbles

35
Q

Reaction between metal aqua ions and HCl

A

undergo ligand substitution to form tetrahedral ions with 4 Cl- ligands

36
Q

Equation for reaction between [Fe(H2O)6]2+ and HCl

A

[Fe(H2O)6]2+ + 4Cl- –> [FeCl4]2- + 6H2O

37
Q

Equation for reaction between [Cu(H2O)6]2+ and HCl

A

[Cu(H2O)6]2+ + 4Cl- –> [CuCl4]2- + 6H2O

38
Q

Equation for reaction between [Fe(H2O)6]3+ and HCl

A

[Fe(H2O)6]3+ + 4Cl- –> [FeCl4]- + 6H2O

39
Q

Equation for reaction between [Al(H2O)6]3+ and HCl

A

[Al(H2O)6]3+ + 4Cl- –> [AlCl4]- + 6H2O

40
Q

Colour of [FeCl4]2- when HCl has been added

A

green solution –> yellow solution

41
Q

Colour of [CuCl4]2- when HCl has been added

A

blue solution –> yellow solution

42
Q

Colour of [FeCl4]- when HCl has been added

A

orange solution –> yellow solution

43
Q

Colour of [AlCl4]- when HCl has been added

A

colourless solution –> colourless solution

Chemistry (32 decks)

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