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During the extraction of gold the follow...

During the extraction of gold the following reactions takes place
`Au+CN^(-) +H_(2)Orarr X,Y +ZnrarrY+Au`
Here, `X`and `Y` respectively are

A

`Au(CN)_(2)^(-) and Zn(CN)_(4)^(2-)`

B

`Au(CN)_(4)^(3-)` and `Zn(CN)_(4)^(2-)`

C

`Au(CN)_(3)^(-)` and `Zn(CN)_(6)^(4-)`

D

`Au(CN)_(4)^(-)` and `Zn(CN)_(3)^(-)`

Text Solution

Verified by Experts

The correct Answer is:
A
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