Question
The cyanide process of gold extraction involves leaching out gold from its ore with C N - in the presence of Q in water to form R . Subsequently, R is treated with T to obtain A u and Z . Choose the correct option(s).
JEE Advanced
Chemistry
General Principles and Processes of Isolation of Metals
2019
JEE Advanced 2019 (Paper 2)
JEE Advanced Chemistry Question (2019) — Solution
Options
- A. T is Z n
- B. R is A u C N 4 -
- C. Z is Z n C N 4 2 -
- D. Q is O 2
Answer
D. Q is O 2
Solution
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Related: Chemistry — General Principles and Processes of Isolation of Metals · All PYQ Banks