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Leaching of Ag(2)S is carried out by hea...

Leaching of `Ag_(2)S` is carried out by heating it with a dilute solution of:

A

NaCN only

B

HCl

C

NaOH

D

NaCN in presence of `O_(2)`

Text Solution

Verified by Experts

The correct Answer is:
D

`Ag_(2)S+4NaCN overset("Air")to 2Na[Ag(CN)_(2)]+Na_(2)S`
`2Na[Ag(CN)_(2)(underset("dust")(Zn)) to Na_(2)[Zn(CN)_(4)]+2Ag darr`
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