Transition metal reactions 0.0 / 5 ? ChemistryTransition metalsA2/A-levelOCR Created by: dkoning00Created 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 2 of 24 Fe2+ reaction with NaOH Fe2+(aq) + 2OH-(aq) --> Fe(OH)2(s) 3 of 24 Observations Pale green solution to green precipitate 4 of 24 Fe3+ reaction with NaOH Fe3+(aq) + 3OH-(aq) --> Fe(OH)3(s) 5 of 24 Observations Yellow solution to rusty brown precipitate 6 of 24 Cu2+ reaction with NaOH Cu2+(aq) + 2OH-(aq) --> Cu(OH)2(s) 7 of 24 Observations Pale blue solution to blue precipitate 8 of 24 Cr3+ reaction with a few drops of NaOH Cr3+(aq) + 3OH-(aq) --> Cr(OH)3(s) 9 of 24 Observations Violet solution to grey-green precipitate 10 of 24 Cr3+ reaction in excess NaOH Cr(OH)3(s) + 3OH-(aq) --> [Cr(OH)6]3-(aq) 11 of 24 Observations Dark green solution forms 12 of 24 Mn2+ reaction with NH3 Mn2+(aq) + 2OH-(aq) --> Mn(OH)2(s) 13 of 24 Observations Pale pink solution to light brown precipitate 14 of 24 Fe2+ reaction with NH3 Fe2+(aq) + 2OH-(aq) --> Fe(OH)2(s) 15 of 24 Observations Pale green solution to green precipitate 16 of 24 Fe3+ reaction with NH3 Fe3+(aq) + 3OH-(aq) --> Fe(OH)3(s) 17 of 24 Observations Pale yellow solution to rusty brown precipitate 18 of 24 Cu2+ reaction with excess NH3 [Cu(H2O)6]2+(aq) + 4NH3(aq) [Cu(NH3)4(H2O)2]2+(aq) +4H2O(l) 19 of 24 Observations Pale blue solution to blue precipitate which then dissolves to give dark blue solution 20 of 24 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 22 of 24 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 24 of 24
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