1.

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

Answer» Correct Answer - B
`{:(Ag_(2)S+4NaCN,,rarr,,2Naunderset((a))[[Ag(CN)_(4)]]+Na_(2)S),(2Naunderset((a))[Ag(CN)_(4)],,overset(Zn)rarr,,(Agdarr)^(-)+Na_(2)underset((b))underset((Impure))[Zn(CN)_(4)]):}`


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