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The metal extracted by leaching with a c...

The metal extracted by leaching with a cyanide

A

Al

B

Ag

C

Cu

D

Na

Text Solution

Verified by Experts

The correct Answer is:
B
Silver are forms a soluble complex with NaCN from which silver is precipitated using scrap zinc
(i) `Ag_(2)S + 2NaCN rarr Na [Ag(CN)_2]Zn`
(ii) `Na_(a)(Zn(CN)_4] + Ag darr`
Sodium argentocyanide (soluble)
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SUNSTAR PUBLICATION-K-CET-CHEMISTRY-2017-MULTIPLE CHOICE QUESTION
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