In the process of extraction of gold- Roasted gold ore - CN - H 2 O O 2- X - OH - X - Zn - Y - AuA- 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- Y - Zn CN 4-2-

You visited us 1 times! Enjoying our articles? Unlock Full Access!

Concentration of Ore

In the proces...

Question

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

X =

[A u (C N)_{2}]^{-}

, Y =

[Z n (C N)_{4}]^{2 -}

Right on! Give the BNAT exam to get a 100% scholarship for BYJUS courses

X =

[A u (C N)_{4}]^{3 -}

, Y =

[Z n (C N)_{4}]^{2 -}

No worries! We‘ve got your back. Try BYJU‘S free classes today!

X =

[A u (C N)_{2}]^{-}

, Y =

[Z n (C N)_{6}]^{4 -}

No worries! We‘ve got your back. Try BYJU‘S free classes today!

X =

[A u (C N)_{4}]^{-}

, Y =

[Z n (C N)_{4}]^{2 -}

No worries! We‘ve got your back. Try BYJU‘S free classes today!

Open in App

Solution

Suggest Corrections

Similar questions

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

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

[X]

[Y]

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 ⟶ [Y] + A u

ln

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

[X] +

\to [Y] +

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

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

4 A u + 8 C N^{-} + 2 H_{2} O + O_{2} \to 4 [A u (C N)_{2}]^{-} + 4 O H^{-}

2 [A u (C N)_{2}]^{-} + Z n \to 2 A u + [Z n (C N)_{4}]^{2 -}

Join BYJU'S Learning Program