Transition metal reactions

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  • Created by: dkoning00
  • Created on: 06-04-18 11:48
Mn 2+ reaction with NaOH
Mn2+(aq) + 2OH-(aq) --> Mn(OH)2(s)
1 of 24
Observations
Pale pink solution to light brown precipitate
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Fe2+ reaction with NaOH
Fe2+(aq) + 2OH-(aq) --> Fe(OH)2(s)
3 of 24
Observations
Pale green solution to green precipitate
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Fe3+ reaction with NaOH
Fe3+(aq) + 3OH-(aq) --> Fe(OH)3(s)
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Observations
Yellow solution to rusty brown precipitate
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Cu2+ reaction with NaOH
Cu2+(aq) + 2OH-(aq) --> Cu(OH)2(s)
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Observations
Pale blue solution to blue precipitate
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Cr3+ reaction with a few drops of NaOH
Cr3+(aq) + 3OH-(aq) --> Cr(OH)3(s)
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Observations
Violet solution to grey-green precipitate
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Cr3+ reaction in excess NaOH
Cr(OH)3(s) + 3OH-(aq) --> [Cr(OH)6]3-(aq)
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Observations
Dark green solution forms
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Mn2+ reaction with NH3
Mn2+(aq) + 2OH-(aq) --> Mn(OH)2(s)
13 of 24
Observations
Pale pink solution to light brown precipitate
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Fe2+ reaction with NH3
Fe2+(aq) + 2OH-(aq) --> Fe(OH)2(s)
15 of 24
Observations
Pale green solution to green precipitate
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Fe3+ reaction with NH3
Fe3+(aq) + 3OH-(aq) --> Fe(OH)3(s)
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Observations
Pale yellow solution to rusty brown precipitate
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Cu2+ reaction with excess NH3
[Cu(H2O)6]2+(aq) + 4NH3(aq) [Cu(NH3)4(H2O)2]2+(aq) +4H2O(l)
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Observations
Pale blue solution to blue precipitate which then dissolves to give dark blue solution
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Cr3+ reaction with excess NH3
[Cr(H2O)6]3+(aq) + 6NH3(aq) [Cr(NH3)6]3+(aq) + 6H2O(l)
21 of 24
Observations
Violet solution to grey-green precipitate which then dissolves to give a purple solution
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Cu2+ reaction with HCl
[Cu(H2O)6]2+(aq) + 4Cl-(aq) [Cu(Cl)4]2-(aq) + 6H20(l)
23 of 24
Observations
Pale blue solution to yellow solution
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Pale pink solution to light brown precipitate

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Fe2+ reaction with NaOH

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Observations

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Fe3+ reaction with NaOH

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