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Ag(2)S +NaCN rarr (a) (a) +Zn rarr (d)...

`Ag_(2)S +NaCN rarr (a)`
(a) `+Zn rarr (d)`
(b) is a metal. Hence `(a)` and `(b)` are

A

`Na_(2)[Zn(CN)_(4)],Zn`

B

`Na[Ag(CN)_(2)],Ag`

C

`Na_(2)[Ag(CN)_(4)],Ag`

D

`Na_(3)[Ag(CN)_(4)],Ag`

Text Solution

Verified by Experts

The correct Answer is:
B
Hydrometallurgy.
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