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Ag(2)S + NaCN rarr (A),(A) + Zn rarr (B)...

`Ag_(2)S + NaCN rarr (A),(A) + Zn rarr (B)`
`(B)` is a metal. Hence, `(A)` and `(B)` are

A

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

B

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

C

`Na[Ag(CN)_(4)],Ag`

D

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

Text Solution

Verified by Experts

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