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In the process of extraction of gold. ...

In the process of extraction of gold.
Roasted gold ore `+CN^(-)+H_(2)O overset(O_(2))rarr [X]+OH^(-)`
`[X]+Znrarr [Y]+Au`
Identify the complexes `[X] ` and `[Y]`.

A

`X=|An(CN)_(4)|^(3-), Y =|Zn(CN)_(4)|^(2-)`

B

`X = |Au(CN)_(2)|^(-)`, Y = `|Zn(CN)_(6)|^(4-)`

C

`X = |Au(CN)_(4)|^(-)`, Y =` Zn(CN)_(4)|^(2-)`

D

`X = |Au(CN)_(2)|^(-)`, Y_(2) = `|Zn(CN)_(4)|^(2-)`

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DINESH PUBLICATION-CO-ORDINATION COMPOUNDS -UNIT TEST - IG
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  2. The correct name of |Pt(NH(3))(4)Cl(2)||PtCl(4)| is

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  3. IUPAC name of K(4)|Fe(CN)(6)| is

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  4. IUPAC name of |Co(ONO)(NH(3))(5)Cl(2)| is

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  5. Which of the following is a wrong statement?

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  6. The IUPAC name of K(2)[Cr(CN)(2)O(2)(O(2))]NH(3)

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  7. Coordination isomerism is caused by interchange of ligands between the

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  8. Amongst Ni(CO)(4),[Ni(CN)(4)]^(2-) and [NiCl(4)]^(2-)

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  9. The type of isomerism present in intro pentaamine-chromium(III)chlorid...

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  10. The complexes |Co(NH(3))(6)||Cr(C(2)O(4))(3)| and |Cr(NH(3))(6)||Co(Cr...

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  11. |Pt(NH(3))(4)Cl(2)|Br(2) and |Pt(NH(3))(4)Br(2)|Cl(2) ion are related

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  12. What is the magnetic moment of K(3)|FeF(6)| ?

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  13. The geometry of Ni(CO(4)) and Ni(PPh(3))(2)Cl(2) are

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  14. The value of 'spin only' magnetic moment for one of the following conf...

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  15. Silver sulphide dissolved in a solution of sodium cyanide to coupled

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  16. The coordination number and oxidation state of Cr in K(3)[Cr(C(2)O(4))...

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  17. In |Ni(NH(3))(4)|SO(4), the valancy and coordination number of Ni will...

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  18. Which kind of isomerism is exhibited by octahedral [Co(NH(3))(4)Br(2)]...

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  19. An aqueous solution of COCL2 on addition of excess of concentrated HCl...

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  20. In the process of extraction of gold. Roasted gold ore +CN^(-)+H(2)O...

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