(a)[1]
State what the term anhydrous means.
(b)[1]
Anhydrous copper(II) sulfate is added to water. State the colour of the solution produced.
(c)[2]
Aqueous ammonia is added dropwise, then continued until in excess, to a small volume of aqueous copper(II) sulfate. Describe the observations seen during this addition.
(d)[1]
Describe the observations when aqueous barium nitrate is mixed with aqueous copper(II) sulfate.
(e)[4]
Aqueous copper(II) sulfate is electrolysed separately using carbon electrodes and using copper electrodes. Complete Table 9.1.
(f)[1]
Explain why aqueous copper(II) sulfate conducts electricity, whereas solid copper(II) sulfate does not.