NCERT Exercise 5.13 - Coordination Compounds
Question: Aqueous copper sulphate solution (blue in colour) gives: (i) a green precipitate with aqueous potassium fluoride and (ii) a bright green solution with aqueous potassium chloride. Explain these experimental results.
Answer: **NCERT answer:** Aqueous CuSO4 solution exists as [Cu(H2O)4]SO4 which has blue colour due to [Cu(H2O)4]2+ ions. (i) When KF is added, the weak H2O ligands are replaced by F¯ ligands, forming [CuF4...
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