WorksheetsReactions of ions in aqueous solution basics
Total questions: 10
Worksheet time: 6mins
Which of these would have the lowest pH?
[Cu(H2O)6]2+
[Fe(H2O)6]2+
[Co(H2O)6]2+
[Fe(H2O)6]3+
A solution of ammonia contains which ligands?
H3O+
NH3
OH-
NH4+
Adding a solution of sodium hydroxide to a solution of iron(II) compounds produces a precipitate of which colour?
Brown
White
Blue
Green
Adding a solution of sodium hydroxide to solutions of copper(II) compounds produces a precipitate of which colour?
Brown
White
Blue
Green
Adding a solution of sodium hydroxide to solutions of aluminium compounds produces a precipitate of which colour?
Brown
White
Blue
Green
Adding a solution of sodium hydroxide to solutions of iron(III) compounds produces a precipitate of which colour?
Brown
White
Blue
Green
Adding an excess of aqueous ammonia will cause which precipitate to re-dissolve?
Cu(H2O)4(OH)2
Fe(H2O)3(OH)3
Al(H2O)3(OH)3
Fe(H2O)4(OH)2
Adding an excess of aqueous sodium hydroxide will cause which precipitate to re-dissolve?
Cu(H2O)4(OH)2
Fe(H2O)3(OH)3
Al(H2O)3(OH)3
Fe(H2O)4(OH)2
After adding sodium hydroxide to a solution containing iron(II) ions, the precipitate will gradually change colour from:
Blue to orange
Blue to green
Brown to green
Green to brown
Which of the following would produce carbon dioxide gas when aqueous sodium carbonate solution was added to it?
[Al(H2O)6]3+
[Fe(H2O)6]2+
[Fe(H2O)6]3+
[Cu(H2O)6]2+
