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CGP EDU Academic Team
Published on: August 11, 2026
Leaching the silver and gold metal with CN – :
Text Solution
Verified by ExpertsThe correct answer is:
D
Ag/Au + 8CN – (aq) + 2H 2 O (aq) + O 2 (g) — → [Ag/Au(CN) 2 ] – (aq) + 4OH – (aq).
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