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  3. Chemistry
  4. In the extraction of silver from argentite ore the ore is treated with dilute solution of NaCN in water in the presence of Y, whereby the following reaction takes place Ag 2 X +4 NaCN +2 Y arrow 2 Na [ Ag ( CN )2]+ Na 2 XO 4 X and Y in this reaction are represented by

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Q. In the extraction of silver from argentite ore the ore is treated with dilute solution of $NaCN$ in water in the presence of $Y$, whereby the following reaction takes place
$Ag _2 X +4 NaCN +2 Y \rightarrow 2 Na \left[ Ag ( CN )_2\right]+ Na _2 XO _4$
$X$ and $Y$ in this reaction are represented by

The d-and f-Block Elements

Solution:

$Ag _2 S +4 NaCN +2 O _2 \rightarrow 2 Na \left[ Ag ( CN )_2\right]+ Na _2 SO _4$
$X$ is $S$ and $Y$ is $O _2$