Transition metals equations

what is the aqueous ion of Fe^(2+)

[Fe(H2O)6]^(2+)

What is the aqueous ion of Cu^(2+)

[Cu(H2O)6]^(2+)

what is the aqueous ion of Fe^(3+)

[Fe(H2O)6]^(3+)

what is the aqueous ion of Al^(3+)

[Al(H2O)6]^(3+)

what colour is the aqueous [Fe(H2O)6]^(2+) ion

green

what colour is the aqueous [Cu(H2O)6]^(2+) ion

blue

what colour is the aqueous [Fe(H2O)6]^(3+)

purple

what colour may the aqueous [Fe(H2O)6]^(3+) look and why?

yellow-brown due to some [Fe(H2O)5(OH)]^(2+)(aq)

what colour is the aqueous [Al(H2O)6]^(3+) ion

colourless

product of [Fe(H2O)6]^(2+)(aq) + NaOH

Fe(H2O)4(OH)2(s)

what is the colour change for when NaOH is added to [Fe(H2O)6]^(2+)(aq)

green solution to green precipitate which goes brown on standing in air

product of [Cu(H2O)6]^(2+)(aq) + NaOH

Cu(H2O)4(OH)2(s)

what is the colour change for the addition of NaOH to the aqueous [Cu(H2O)6]^(2+) ion?

blue solution to blue precipitate

product of [Fe(H2O)6]^(3+)(aq) + NaOH

Fe(H2O)3(OH)3(s)

what is the colour change for the addition of NaOH to the aqueous [Fe(H2O)6]^(3+) ion?

purple solution to brown precipitate

product of [Al(H2O)6]^(3+)(aq) + NaOH

Al(H2O)3(OH)3(s)

what is the colour change for the addition of NaOH to the aqueous [Al(H2O)6]^(3+) ion?

colourless solution to white precipitate

what is the change when excess NaOH is added to the reaction [Fe(H2O)6]^(2+) + NaOH

no further change

what is the change when excess NaOH is added to the reaction [Cu(H2O)6]^(2+) + NaOH

no further change

what is the change when excess NaOH is added to the reaction [Fe(H2O)6]^(3+) + NaOH

no further change

what is the product when excess NaOH is added to the reaction [Al(H2O)6]^(3+) + NaOH

[Al(OH)4]^-(aq)

what is the colour change for adding excess NaOH to Al(H2O)3(OH)3(s)

white precipitate to colourless solution

Product of adding NH3(aq) to [Fe(H2O)6]^(2+)(aq)

Fe(H2O)4(OH)2(s)

colour change for adding NH3 to [Fe(H2O)6]^(2+)(aq)

green solution to green precipitate which goes brown on standing in air 

product of adding NH3(aq) to [Cu(H2O)6]^(2+)

Cu(H2O)4(OH)2(s)

colour change for adding NH3(aq) to [Cu(H2O)6]^(2+)

blue solution to blue precipitate

product of adding NH3(aq) to [Fe(H2O)6]^(3+)(aq) 

Fe(H2O)3(OH)3(s)

colour change for adding NH3 to [Fe(H2O)6]^(3+)(aq)

purple solution to brown precipitate

product of adding NH3 to [Al(H2O)6]^(3+)(aq) 

Al(H2O)3(OH)3(s)

colour change for [Al(H2O)6]^(3+)(aq) + NH3

colourless solution to white precipitate

change for adding an excess of NH3(aq) to the reaction [Fe(H2O)6]^(2+)(aq) + NH3

no further change

product for adding an excess of NH3(aq) to the reaction [Cu(H2O)6]^(2+) + NH3(aq)

[Cu(H2O)2(NH3)4]^(2+)(aq)

change for adding an excess of NH3(aq) to the reaction [Cu(H2O)6]^(2+) + NH3

blue solution to blue precipitate to deep blue solution

change for adding an excess of NH3(aq) to the reaction [Fe(H2O)6]^(3+) + NH3

no further change

change for adding an excess of NH3(aq) to the reaction [Al(H2O)6]^(3+) + NH3

no further change

product of Na2CO3(aq) + [Fe(H2O)6]^(2+)(aq)

FeCO3(s)

product of Na2CO3(aq) + [Cu(H2O)6]^(2+)(aq)

CuCO3(s)

product of Na2CO3(aq) + [Fe(H2O)6]^(3+)(aq)

Fe(H2O)3(OH)3(s) + CO2(g)

product of Na2CO3(aq) + [Al(H2O)6]^(3+)(aq)

Al(H2O)3(OH)3(s) + CO2

change for [Fe(H2O)6]^(2+)(aq) + Na2CO3(aq)

green solution to green precipitate 

change for [Cu(H2O)6]^(2+)(aq) + Na2CO3(aq)

blue solution to blue-green precipitate

change for [Fe(H2O)6]^(3+)(aq) + Na2CO3(aq)

purple solution to brown precipitate and gentle bubbles (CO2 gas)

change for [Al(H2O)6]^(3+)(aq) + Na2CO3(aq) 

colourless solution to white precipitate and gentle bubbles (CO2 gas)

Vanadium(V) in acidic solution + colour

[VO2(H2O)4]^+, yellow

Vanadium(IV) in acidic solution + colour

[VO(H2O)5]^(2+), blue 

Vanadium(III) in acidic solution + colour

[V(H2O)6]^(3+), green

Vanadium(II) in acidic solution + colour

[V(H2O)6]^(2+), purple

equation for add some OH- to [Fe(H2O)6]^(2+)

[Fe(H2O)6]^(2+)(aq) + 2OH^-(aq) → [Fe(H2O)4(OH)2](s) + 2H2O(l)

equation for add some OH^- to [Cu(H2O)6]^(2+)

[Cu(H2O)6]^(2+)(aq) + 2OH^-(aq) → [Cu(H2O)4(OH)2](s) + 2H2O(l)

equation for add some OH^- to [Fe(H2O)6]^(3+)

[Fe(H2O)6]^(3+)(aq) + 3OH^-(aq) → [Fe(H2O)3(OH)3](s) + 3H2O(l)

equation for adding some OH- to [Al(H2O)6]^(3+)

[Al(H2O)6]^(3+)(aq) + 3OH^-(aq) →[Al(H2O)3(OH)3](s) + 3H2O(l)

equation for adding excess OH^- to [Al(H2O)6]^(3+)

[Al(H2O)3(OH)3](s) + OH^-(aq) → [Al(H2O)2(OH)4]^-(aq) + H2O(l)

equation for adding some NH3 to [Fe(H2O)6]^(2+)

[Fe(H2O)6]^(2+)(aq) + 2NH3(aq) → [Fe(H2O)4(OH)2] + 2NH4^+(aq)

equation for adding some NH3 to [Cu(H2O)6]^(2+) 

[Cu(H2O)6]^(2+)(aq) + 2NH3(aq) → [Cu(H2O)4(OH)2](s) + 2NH4^+(aq)

equation for adding excess NH3 to [Cu(H2O)6]^(2+)

[Cu(H2O)4(OH)2](s)  + 4NH3(aq) → [Cu(H2O)2(NH3)4]^(2+)(aq) + 2H2O(l) + 2OH^-(aq)

equation for adding some NH3 to [Fe(H2O)6]^(3+)

[Fe(H2O)6]^(3+)(aq) + 3NH3(aq) → [Fe(H2O)3(OH)3](s) + 3NH4^+(aq)

equation for adding some NH3 to [Al(H2O)6]^(3+)

[Al(H2O)6]^(3+)(aq) + 3NH3(aq) → [Al(H2O)3(OH)3](s) + 3NH4^+(aq)

ionic equation for adding some Na2CO3 to [Fe(H2O)6]^(2+)

[Fe(H2O)6]^(2+)(aq) + CO3^(2-)(aq) → FeCO3(s) + 6H2O(l)

ionic equation for adding some Na2CO3 to [Cu(H2O)6]^(2+)

[Cu(H2O)6]^(2+) + CO3^(2-) → CuCO3(s) + 6H2O(l)

ionic equation for adding some Na2CO3 to [Fe(H2O)6]^(3+)

2[Fe(H2O)6]^(3+) + 3CO3^(2-) → 2[Fe(H2O)3(OH)3] + 3H2O + 3CO2

ionic equation for adding some Na2CO3 to [Al(H2O)6]^(3+)

2[Al(H2O)6]^(3+) + 3CO3^(2-) → 2[Al(H2O)3(OH)3] + 3H2O + 3CO2

equation for adding excess acid to iron (II) hydroxide precipitate

[Fe(H2O)4(OH)2] + 2H^+ →[Fe(H2O)6]^(2+)

observation for adding excess acid to iron (II) hydroxide precipitate

green ppt to green solution

equation for adding excess acid to copper (II) hydroxide precipitate

[Cu(H2O)4(OH)2] + 2H^+ → [Cu(H2O)6]^(2+)

observation for adding excess acid to copper (II) hydroxide precipitate

blue ppt to blue solution

equation for adding excess acid to iron (III) hydroxide precipitate

[Fe(H2O)3(OH)3] + 3H^+ → [Fe(H2O)6]^(3+)

observation for adding excess acid to iron (III) hydroxide precipitate

brown ppt to violet solution

equation for adding excess acid to aluminium (III) hydroxide precipitate

[Al(H2O)3(OH)3] + 3H^+ → [Al(H2O)6]^(3+)

observation for adding excess acid to aluminium (III) hydroxide precipitate

white ppt to colourless solution

reaction for adding excess alkali to iron (II) hydroxide precipitate

none

reaction for adding excess alkali to copper (II) hydroxide precipitate

none

reaction for adding excess alkali to iron (III) hydroxide precipitate

none

reaction for adding excess alkali to aluminium (III) hydroxide precipitate

[Al(H2O)3(OH)3] + OH^- → [Al(H2O)2(OH)4]^-

reaction for adding excess Cl^- to [Fe(H2O)6]^(2+)

[Fe(H2O)6]^(2+) + 4Cl^- → [FeCl4]^(2-) + 6H2O

observation for adding excess Cl^- to [Fe(H2O)6]^(2+)

green solution to yellow solution

reaction for adding excess Cl^- to [Cu(H2O)6]^(2+)

[Cu(H2O)6]^(2+) + 4Cl^- → [CuCl4]^(2-) + 6H2O

observation for adding excess Cl^- to [Cu(H2O)6]^(2+)

blue solution to yellow solution

reaction for adding excess Cl^- to [Fe(H2O)6]^(3+)

[Fe(H2O)6]^(3+) + 4Cl^- → [FeCl4]^- + 6H2O

observation for adding excess Cl^- to [Fe(H2O)6]^(3+)

orange solution to yellow solution

reaction for adding excess Cl^- to [Al(H2O)6]^(3+)

[Al(H2O)6]^(3+) + 4Cl^- → [AlCl4]^- + 6H2O

observation for adding excess Cl^- to [Al(H2O)6]^(3+)

colourless solution to colourless solution