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Note that your final mark will not be saved in the system.
Reactions of ions in aqueous solution and Period 3 elements and their oxides MatchUp
Target Level
C
Running Total
0
0%
Attempt
1 of 3
Drag each of the observations to its matching substance or reaction. You must match all the pairs before clicking ‘Check’.
green solution
blue precipitate
blue solution
brown precipitate
brown precipitate with effervescence
colourless solution
precipitate dissolves to give dark blue solution
green precipitate
yellow/brown/purple solution
blue-green precipitate
[Al(H2O)6]3+
[Fe(H2O)6]2+
[Cu(H2O)6]2+
[Fe(H2O)6]3+
observation when NaOH or NH3 is added to [Fe(H2O)6]2+
observation when NaOH or a small amount of NH3 is added to [Cu(H2O)6]2+
observation when excess NH3 is added to [Cu(H2O)6]2+
observation when Na2CO3 is added to [Cu(H2O)6]2+
observation when NaOH or NH3 is added to [Fe(H2O)6]3+
observation when Na2CO3 is added to [Fe(H2O)6]3+