id-5-12:
| As4O6 + Zn + H2SO4 |
 |
AsH3 + ZnSO4 + H2O | [Otevři] |
id-7-11:
| Ag3AsO4 + Zn + H2SO4 |
|
AsH3 + Ag + ZnSO4 + H2O |
[Otevři] |