When two drops of CaCl2 solution were added to the potassium ferrioxalate (III) solution, the solution became turbid, indicating that oxalate is in the outside of the complex.
A: 正确
B: 错误
A: 正确
B: 错误
举一反三
- When two drops of CaCl2 solution were added to the potassium ferrioxalate (III) solution, the solution became turbid, indicating that oxalate is in the outside of the complex. A: 正确 B: 错误
- When the preparation of SnCl2 solution, HCl solution is often added to prevent hydrolysis. A: 正确 B: 错误
- Fehling's solution consists solution of A and B, a solution of ____, and a solution of potassium sodium copper tartrate.
- When the preparation of SnCl2 solution, HCl solution is often added to prevent hydrolysis.
- When nickel ion in the nickel plating solution is titrated with the EDTA standard solution, the purple color of the end point is the color of the complex formed by the murexide indicator and the nickel ion. A: 正确 B: 错误