Saved Bookmarks
| 1. |
Write the chemical reactions involved in the extraction of metallic silver from argentite. |
|
Answer» Silver is extracted frm argentite ore by cyanide process. In case of silver metal, the sulphide ore is treated with sodium cyanide. Sodium argentocyanide complex. Is formed, which on treating with zinc metal gives silver. `Ag_(2)S + 4NaCN rarr 2Na[Ag(CN)_(2)] + Na_(2)S` `2Na[Ag(CN)_(2)] + Zn rarr underset ("Soluble") (Na_(2)[Zn(CN)_(4)]) + underset ("ppt") (2 Ag) darr`. |
|