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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:
2
`Ag_(2)S + 4 NaCH to 2Na[Ag(CN)_(2)] + Na_(2)S [A]`
`2Na[Ag(CN)_(2)]+ Zn to Na_(2)[Zn(CN)_(4)]+ 2Ag [B]`
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Knowledge Check

  • 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_(2)[Ag)CN)_(4)], Ag`
    D
    `Na_(3)[Ag(CN)_(4)], Ag`

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

    A
    `Na_(2)[Zn(CN)_(4)], Zn`
    B
    `Na_(2)[Ag(CN)_(2)], Ag`
    C
    `Na_(2)[Ag(CN)_(4)], Ag`
    D
    `Na_(3)[Ag(CN)_(4)], Ag`

  • Ag_2 S + NaCN to (A),(A) + Zn to (B) B is a metal. Hence, (A) and (B) are

    A
    `Na [Zn(CN)_4], Zn `
    B
    `Na[Ag(CN)_2], Ag`
    C
    `Na_2 [Ag(CN)_4 ], Ag`
    D
    `Na_3 [Ag(CN)_4 ], Ag`

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