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.
举一反三
- 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 the preparation of SnCl2 solution, HCl solution is often added to prevent hydrolysis. A: 正确 B: 错误
- Which of the following properties have nothing to do with the dependence of the aqueous solution? A: The vapor pressure of the aqueous solution drops B: The freezing point of the aqueous solution decreases C: Different cations in aqueous solution show different colors D: The boiling point of the aqueous solution rises
- 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.