Saved Bookmarks
| 1. |
Whichreducingagentisemployedtogetcopperfrom theleachedlowgradecopperore? |
|
Answer» SOLUTION :Althoughzinc ` (E_(ZN^(2+)//Zn) =- 0*76V)`, iron` (E_(Fe^( 2 + )//Fe) =- 0*44 V)` and` H_2 (E^(@)_(H^(+)//H _2 ) = 0*00V)`all thethreecanbe USEDTO getcopperfromtheleachedlowgrade copper,yetscrapironbeingmuchcheaperthan zinc and` H _2`gas isusuallyused. `"" Cu^( 2+ ) (aq) +Fe (s) to Cu(s) + Fe ^( 2 + ) (aq) ` |
|