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Analiitc(3 group)
| Question | Answer |
|---|---|
| Ba2+ + CrO42-(формула) | BaCrO4 |
| Ba2+ + CrO42-(цвет) | Светло-жёлтый |
| BaCl2 + K2CrO4 | BaCrO4 + 2KCl |
| 2Ba2+ + Cr2O72- + H2O + 2CH3COO-(формула) | BaCrO4 |
| 2Ba2+ + Cr2O72- + H2O + 2CH3COO-(цвет) | Светло-жёлтый |
| 2BaCl2 + K2Cr2O7 + H2O + 2CH3COONa | 2BaCrO4 + 2KCl + 2CH3COOH + 2NaCl |
| Ba2+(пламя) | желто-зелёное |
| Ca2+ + C2O42-(формула) | CaC2O4 |
| Ca2+ + C2O42-(цвет) | белый |
| CaCl2 + (NH4)2C2O4 | CaC2O4 + 2NH4Cl |
| Ca2+ + K+ + [Fe(CN)6]4- + NH4+(формула) | K(NH4)Ca[Fe(CN)6] |
| Ca2+ + K+ + [Fe(CN)6]4- + NH4+(цвет) | белый |
| CaCl2 + K4[Fe(CN)6] + NH4Cl | K(NH4)Ca[Fe(CN)6] + 3KCl |
| Ca2+ + SO42- + 2H2O(формула) | CaSO4*2H2O |
| Ca2+ + SO42- + 2H2O(цвет) | белый |
| CaCl2+ H2SO4 + 2H2O | CaSO4*2H2O + 2HCl |
| Ca2+(пламя) | кирпично-красный |
| Sr2+ + CaSO4*2H2O(формула) | SrSO4 |
| Sr2+ + CaSO4*2H2O(цвет) | белый |
| SrCl2 + CaSO4*2H2O | SrSO4 + CaCl2 + 2H2O |
| Sr2+ + CrO42-(формула) | SrCrO4 |
| Sr2+ + CrO42-(цвет) | жёлтый |
| SrCl2 + K2CrO4 | SrCrO4 + 2KCl |
| Sr2+ + C2O42-(формула) | SrC2O4 |
| Sr2+ + C2O42-(цвет) | белый |
| SrCl2 + (NH4)2C2O4 | SrC2O4 + 2NH4Cl |
| Sr2+(пламя) | карминово-красный |
Created by:
DenisGorlov