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Complex formation for cyanide method is ...

Complex formation for cyanide method is used for the extraction of

A

Cu

B

Fe

C

Hg

D

Ag

Text Solution

Verified by Experts

The correct Answer is:
D
`Ag_(2)S + 4NaCN rarr 2Na[Ag(CN)_(2)] + Na_(2) S`
`2Na[Ag(CN)_(2)]+ Zn rarr 2 Ag + Na_(2)[Zn(CN)_(4)]`.
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