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
- 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
- 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