AQA A2 Transition Metal reaction colours

An altered version of Sophie's (https://getrevising.co.uk/members/sophie_livsey) original sheet with more infomation and colours according to the text book. Unsure about the ruby though

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  • Created by: Chemist
  • Created on: 19-02-16 16:28
Preview of AQA A2 Transition Metal reaction colours

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OH
OH
3+ 3+
Equation [Al(H
2O)6]
+ 3OH
Equation [Cr(H
2O)6]
+ 3OH
Al(H
2O)3(OH)
3 + 3H
2O
Cr(H
2O)3(OH)
3 + 3H
2O
Excess OH
Excess OH
Equation Al(H
2O)3(OH)
3 +
OH Equation Cr(H
2O)3(OH)
3 + 3OH
3 3
[Al(OH)4]
+ 3H 2O
[Cr(OH) 6]
+ 3H
2O
NH3 NH3
Equation [Al(H2O)6
]3++ 3NH3 Equation [Cr(H2O)6
]3++ 3OH
Al(H2O)3(OH)3 + 2H2O+ 3NH4
+
Cr(H2O)3(OH)3 + 2H2O+ 3NH4
+
Excess NH3 Excess NH3
Equation No further reaction Equation Cr(H
2O) 3(OH)
3 + 6NH
3
[Cr(NH3)
6] 3+
+ 3H 2O + 3OH
CO 2
3 CO 2
3
2 2
Equation 2[Al(H2O)6
]3++ 3CO3 Equation 2[Cr(H2O)6
]3++ 3CO3
2[Al(H2O)3(OH)3] + 3CO2 + 3H2O 2[Cr(H2O)3(OH)3] + 3CO2 + 3H2O

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OH
OH
2+ 2+
Equation [Co(H
2O)6]
+ 2OH
Equation [Cu(H
2O) 6]
+ 2OH
Co(H
2O)4(OH)
2 + 2H
2O
Cu(H
2O) 4(OH)
2 + 2H
2O
Excess OH
Excess OH
Equation No further reaction Equation No further reaction
NH3 NH3
2+ 2+
Equation Co(H
2O)6]
+ 2OH
Equation [Cu(H
2O) 6]
+ 2OH
Co(H
2O)4(OH)
2 + 2H
2O+ 2NH
4
+
Cu(H
2O)4(OH)
2 + 2H
2O+ 2NH
4
+
Excess NH3 Excess NH3
Equation Co(H
2O) 4(OH)
2 + 6NH
3…read more

Page 3

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OH
OH
2+ 3+
Equation [Fe(H
2O)6]
+ 2OH
Equation [Fe(H
2O)6]
+ 3OH
Fe(H
2O)4(OH)
2 + 2H
2O
Co(H
2O)3(OH)
3 + 3H
2O
Excess OH
Excess OH
Equation No further reaction Equation No further reaction
NH3 NH3
2+ 3+
Equation [Fe(H
2O)6]
+2OH Equation [Fe(H
2O)6]
+ 3OH
Fe(H
2O)4(OH)
4 + 2H
2O+ 4NH
4
+
Fe(H
2O)3(OH)
3 + 2H
2O+ 3NH
4
+
Excess NH3 Excess NH3
Equation No further reaction Equation No further reaction
CO 2
3 CO…read more

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