In the process of extraction of gold-Roasted gold ore - CN- - H2O -X- - OH- -X- - Zn - -Y- - Au Identify the complexes X and Y-

4Au(s) + 8CN^ (aq) + 2H_2O (aq)+ O_2(g) → 2 [Au(CN)_2]^ (aq) + 2OH^ (aq) 2[Au(CN)_2]^ (aq) + Zn(s) → [Zn(CN)_4]^2 (aq) + 2Au(s) ...

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Cyanide or Macarthur Forrest Process

In the proces...

Question

In the process of extraction of gold,
$Roasted gold ore + C N^{-} + H_{2} O O_{2} - \to [X] + O H^{-} [X] + Z n \to [Y] + A u$
Identify the complexes $X$ and $Y$ ;

X = [A u (C N)_{2}]^{-}, Y = [Z n (C N)_{4}]^{2 -}

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X = [A u (C N)_{4}]^{3 -}, Y = [Z n (C N)_{4}]^{2 -}

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X = [A u (C N)_{2}]^{-}, Y = [Z n (C N)_{6}]^{4 -}

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X = [A u (C N)_{4}]^{-}, Y = [Z n (C N)_{4}]^{2 -}

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In the process of extraction of gold, $R o a s t e d g o l d o r e + C N^{-} + H_{2} O_{2} [X] + O H^{-}$ $[X] + Z n \to [Y] + A u$

Identify the complexes [X] and [Y].

roasted gold ore + C N^{-} + H_{2} O O_{2} - \to [X] + O H^{-}

[X] + Z n \to [Y] + A u

[X]

[Y]

+ C N_{(a q)}^{-} + H_{2} O_{2} [X] + [O H^{-}]

[X] + Z n \to [Y] + A u

+ C N^{-} + H_{2} O \to [X] + O H^{-}

[X] + Z n \to [Y] + A u

Roasted gold ore + C N^{-} + O_{2} + 2 H_{2} O \to [X] + O H^{-}

[X] + Z n \to [Y] + A u

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