Q42.In isolation of which one of the following metals from their ores, the use of cyanide salt is commonly not involved? (1) Zinc (2) Silver (3) Gold (4) Copper
What This Question Tests
This question tests knowledge of the cyanide leaching process, a specific hydrometallurgical technique used for the extraction of noble metals.
Concepts Tested
📚 NCERT Sections This Tests
5.14 — What Is The Coordination Entity Formed When Excess Of Aqueous Kcn Is
Chemistry Class 11 · Chapter 5
5.14 What is the coordination entity formed when excess of aqueous KCN is added to an aqueous solution of copper sulphate? Why is it that no precipitate of copper sulphide is obtained when H2S(g) is passed through this solution?
2.1 — Arrange The Following Metals In The Order In Which They Displace Each Other
Chemistry Class 11 · Chapter 2
2.1 Arrange the following metals in the order in which they displace each other from the solution of their salts. Al, Cu, Fe, Mg and Zn.
5.27 — Discuss Briefly Giving An Example In Each Case The Role Of Coordination
Chemistry Class 11 · Chapter 5
5.27 Discuss briefly giving an example in each case the role of coordination compounds in: (i) biological systems (iii) analytical chemistry (ii) medicinal chemistry and (iv) extraction/metallurgy of metals.
📋 Question Details
- Chapter
- Metallurgy
- Topic
- Hydrometallurgy (Cyanide Process)
- Year
- 2022
- Shift
- 29 Jun Shift 1
- Q Number
- Q42
- Type
- MCQ
- NCERT Ref
- Class 12 Chemistry Ch 6: General Principles and Processes of Isolation of Elements
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