Advertisements
Advertisements
प्रश्न
How will you convert the following:
[Ag(CN)2]− to Ag
Advertisements
उत्तर
[Ag(CN)2]− to Ag
The metal is recovered from the complex by reduction or displacement method using a more electropositive zinc metal.
\[\ce{2[Ag(CN)2]- +Zn -> 2Ag + [Zn(CN)4]^2-}\]
APPEARS IN
संबंधित प्रश्न
Write chemical formulae of the following ores :
(a) Calamine
(b) Haematite
(c) Magnetite
(d) Corundum
Which of the ores mentioned can be concentrated by magnetic separation method?
What is the role of the following compound-
SiO2 in the extraction of copper from copper pyrites?
Metals which occur in their native state in nature:
The most abundant metal on earth is:
In the thermite process, the reducing agent is:
Which of the following is not ore of aluminium?
Metal always found in Free State is
Pyrolusite is ______.
Match List - I with List - II.
| List - I | List - II | ||
| (One) | (Composition) | ||
| (A) | Siderite | (I) | FeCO3 |
| (B) | Malachite | (II) | CuCO3 · Cu(OH)2 |
| (C) | Sphalerite | (III) | ZnS |
| (D) | Calamine | (IV) | ZnCO3 |
Choose the correct answer from the options given below:
