Published by:
CGP EDU Academic Team
Published on: August 13, 2026
Extraction of gold and silver involves leaching with CN – ion. Silver is later recovered by :
Text Solution
Verified by ExpertsThe correct answer is:
D
Gold and silver forms a complex 
with CN – in leaching process.
M(Ag or Au) can be displaced from the complex with a more reactive metal like Zn.
Zn + 
+ M
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