Olympiad workbook
- Exam
- Olympiad workbook
- Subject
- NSEC
- Chapter
- Coordination Compounds
Olympiad workbook · NSEC · Coordination Compounds
Cyanide ion is a very good complexing agent and also functions as a...
Cyanide ion is a very good complexing agent and also functions as a reducing agent. Hence many cyanide complexes of metals are known. Addition of an aqueous solution of KCN to a solution of copper sulphate yields a white precipitate which is soluble in excess of aqueous KCN to form the complex:
Options
- A\left[\mathrm{Cu}(\mathrm{CN})_4\right]^{1-}
- B\left[\mathrm{Cu}(\mathrm{CN})_4\right]^{2-}
- C\left[\mathrm{Cu}(\mathrm{CN})_4\right]^{3-}
- D\left[\mathrm{Cu}(\mathrm{CN})_4\right]^{4-}
Correct answer
C. \left[\mathrm{Cu}(\mathrm{CN})_4\right]^{3-}
Step-by-step solution
No Solution