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14 Cards in this Set
- Front
- Back
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What is the colour of [Fe(H20)6]3+ |
Yellow-Brown |
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[Fe(H2O)6]3+ + NaOH or NH3 |
Fe(OH)3(H20)3 Red-Brown ppte |
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What is the colour of [Ni(H2O)6]2+ ? |
Light Green |
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[Ni(H2O)]2+ + NaOH or NH3 |
Ni(OH)2(H2O)4 + 2H2O Pale green ppte |
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[Ni(H2O)6]2+ + 4HCl |
[NiCl4]2- Yellow Brown Solution |
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Ni(OH)2(H2O)4 + 6NH3 |
[Ni(NH3)6]2+ 2OH- + 2H2O Blue Solution |
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What is the colour of [Cu(H2O)6]2+ ? |
Light Blue |
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[Cu(H2O)6]2+ + NaOH or NH3 |
Cu(OH)2(H2O)4 + 2H2O Light blue ppte |
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[Cu(H2O)6]2+ + 4HCl |
[CuCl4]2- Blue -> Yellow Solution |
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Cu(OH)2(H2O)4 + 4NH3 |
[Cu(NH3)4(H2O)2]2+ 2OH- 2H2O Deep/Dark Blue Solution |
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What is the colour of [Zn(H2O)6]2+ ? |
Colourless |
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[Zn(H2O)6]2+ + NaOH or NH3 |
Zn(OH)2(H2O)2 + 2H2O White ppte |
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Zn(OH)2(H2O)2 + excess NaOH |
-White ppte dissolves giving a clear solution - Because it is amphoteric |
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Zn(OH)2(H2O)2 + 4NH3 |
[Zn(NH3)4(H2O)2]2+ + 2H2O + OH- Colourless Solution |
