Reactions of metal ions in aqeous solution Flashcards Preview

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Flashcards in Reactions of metal ions in aqeous solution Deck (20)
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1
Q

Iron (ii) with NaOH

A

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

Green ppt

2
Q

Iron (ii) with XS NaOH

A

doesn’t happen

3
Q

Iron (ii) with NH3

A

[Fe(h2O)6]2+ + 2NH3 –> Fe(H2O)4(OH)2 + 2NH4+

Green ppt

4
Q

Iron (ii) with XS NH3

A

doesn’t happen

5
Q

Iron (ii) with Na2CO3

A

[Fe(H2O)6]2+ + CO32- –> FeCO3 +6H2O

green ppt

6
Q

Copper (ii) with NaOH

A

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

blue ppt

7
Q

Copper (ii) with XS NaOH

A

doesn’t happen

8
Q

Copper (ii) with NH3

A

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

blue ppt

9
Q

Copper (ii) with XS NH3

A

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

deep blue solution

10
Q

Copper (ii) with Na2CO3

A

[Cu(H2O)6]2+ + CO32- –> CuCO3 + 6H2O

blue/green ppt

11
Q

Iron (iii) with NaOH

A

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

brown ppt

12
Q

Iron (iii) with XS NaOH

A

doesn’t happen

13
Q

Iron (iii) with NH3

A

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

brown ppt

14
Q

Iron (iii) with XS NH3

A

doesn’t happen

15
Q

Iron (iii) with Na2CO3

A

2[Fe(H2O)6]3+ + 3Co32- –> 2Fe(H2O)3(OH)3 + 3CO2 + 3H2O

brown ppt and CO2

16
Q

Aluminium (iii) with NaOH

A

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

white ppt

17
Q

Aluminium (iii) with XS NaOH

A

Al(H2O)3(OH)3 + OH- –> [Al(OH)4]- + 3H2O

colourless solution

18
Q

Aluminium (iii) with NH3

A

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

white ppt

19
Q

Aluminium (iii) with XS NH3

A

doesn’t happen

20
Q

Aluminium (iii) with Na2CO3

A

[AL(H2O)6]3+ + CO32- –> AL(H2O)3(OH)3 + 3CO2 + 3H2O

white ppt and CO2