Transition metals colours
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28 Terms
Cu(II)(aq) - Colour
Pale blue solution
Cu(aq) (II)- Compound
[Cu(H2O)6]2+
Cu(II) with C- ions- Colour
Green, then yellow
Cu(II) with C- ions- Compound
[Cu(Cl)4]2-(aq)
Cu(II) with Dilute/little NaOH/NH3 - Colour
Pale Blue precipitate
Cu(II) with Dilute/little NaOH/NH3 - Compound
[Cu(H2O)4(OH)2](s)
Cu(II) with Excess NH3 - Colour
Dark blue Soution
Cu(II) with Excess NH3 - Compound
[Cu(NH3)4(H2O)2]2+(aq)
Cr(III)(aq)- Colour
Green Solution
Cr(III)(aq)- Compound
[Cr(H2O)6]3+(aq)
Cr(III) with Dilute/ little NaOH/ NH3 - Colour
Dark Green ppt
Cr(III) with Dilute/ little NaOH/ NH3 - Compound
[Cr(H2O)3(OH)3](s)
Cr(III) with excess NH3 - Colour
Purple soution
Cr(III) with excess NH3 - Compound
[Cr(NH3)6]3+(aq)
Cr(III) with Excess NaOH- Colour
Dark Green soution
Cr(III) with Excess NaOH- Compound
[Cr(OH)6]3+(aq)
Mn(II)(aq)- Colour
Pale pink solution
Mn(II)(aq)- Compound
[Mn(H2O)6]2+(aq)
Mn(II) with Dilute/ little NaOH/NH3 - Colour
Pale brown ppt
Mn(II) with Dilute/ little NaOH/NH3 - Compound
[Mn(H2O)4(OH)2](s)
Fe(II) (aq)- Colour
Pale green solution
Fe(II) (aq)- Compound
Fe(H2O)6]2+ (aq)
Fe(II) with dilute/ a little NaOH/NH3 - Colour
Dark green ppt
Fe(II) with dilute/ a little NaOH/NH3 - Compound
[Fe(H2O)4(OH-)2](s)
Fe(III) (aq)- Colour
Yellow Solution
Fe(III) (aq)- Compound
[Fe(H2O)6]3+(aq)
Fe(III) with Dilute/a little NaOH/NH3 - Colour
Brown Ppt
Fe(III) with Dilute/a little NaOH/NH3 - Compound
[Fe(H2O)3(OH)3](s)
