InterviewSolution
Saved Bookmarks
InterviewSolution
| 1. |
Native silver metel froms a water solube, complesx with a dilute aqueous wsolution of `NaCN` in the presence ofA. nitrogenB. oxygenC. carbon dioxideD. argon |
|
Answer» Correct Answer - B Reaction is reversible so to get the maximum yield of the product , the reaction is carried out in presence of oxygen. Also oxygen oxidises silver `(I)` ion which then produces soluble complex with CN ions. `2Ag+4 NaCN+1/2 O_(2)+H_(2)O hArr 2Na[Ag(CN)_(2)]+2NaOH`. |
|