Question -
Answer -
(i) a green precipitate with aqueous potassium fluoride, and
(ii) a bright green solution with aqueous potassium chloride
Explain these experimental results.
Answer
AqueousCuSO4 exists as [Cu(H2O)4]SO4.It is blue in colour due to the presence of
[Cu[H2O)4]2+ ions.
(i) When KF is added:
(ii) When KCl is added:
Inboth these cases, the weak field ligand water is replaced by the F− andCl− ions.