1.

In the extraction of silver from argentite ore the ore is treated witlh dilute solution of NaCN in water in the presence of Y, whereby the following reaction takes place Ag_(2)X + 4NaCN +2Y rarr 2Na [ Ag(CN)_2] + Na_2XO_4 X and Y in this reaction are represented by

Answer»

Cl and S
S and `O_2`
`O and O_2`
`O and S`

SOLUTION :`Ag_2S + 4NaCN + 2O_2 rarr 2NA [Ag(CN)_2] + Na_2SO_4`
X is S and Y is `O_(2)`


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