In the process of extraction of gold Roasted gold ore `+CN^(-)+H_2Ooverset(o_2)rarr[X]+OH^(-)` `[X]+Znrarr[Y]+Au` Identify the complexes [X] and [Y]A. `(X - [Au(CN)_(2)]^(-)Y=[Zn(CN)_(4)]^(2-))`B. `(X = [Au(CN)_(4)]^(3-)Y = [Zn(CN)_(4)]^(2-))`C. `(X = [Au(CN)_(2)]^(-)Y = [ZN(CN)_(6)]^(4-))`D. `(X = [Au(CN)_(4)]^(3-) Y = [Zn(CN)_(6)]^(2-))`

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1.	In the process of extraction of gold, Roasted gold ore `+CN^(-)+H_2Ooverset(o_2)rarr[X]+OH^(-)` `[X]+Znrarr[Y]+Au` Identify the complexes [X] and [Y]A. `{:(X - [Au(CN)_(2)]^(-),,,Y=[Zn(CN)_(4)]^(2-)):}`B. `{:(X = [Au(CN)_(4)]^(3-),,,Y = [Zn(CN)_(4)]^(2-)):}`C. `{:(X = [Au(CN)_(2)]^(-),,,Y = [ZN(CN)_(6)]^(4-)):}`D. `{:(X = [Au(CN)_(4)]^(3-),,, Y = [Zn(CN)_(6)]^(2-)):}`
Answer» Correct Answer - A

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