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Complexes formed in the cyanide process ...

Complexes formed in the cyanide process are:

A

`[Au(CN)_(2)]^(-)`

B

`[Ag(CN)_(2)]^(-)`

C

`[Cu(CN)_(4)]^(2-)`

D

`[Zn(CN)_(4)]^(2-)`

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The correct Answer is:
A,B,D
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