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In the extraction of silver from argenti...

In the extraction of silver from argentite are the one is treated with dilute solution of NaCN in water in the presence of Y, whereby the following reaction takes place.
`Ag_(2)X+4NaCN+2Y to 2Na[Ag(CN)_(2)]+Na_(2)XO_(4)X and Y` in this reaction are repesented by

A

Cl and S

B

` S and O_(2)`

C

`O and O_(2)`

D

O and S

Text Solution

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The correct Answer is:
B
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AAKASH SERIES-PRINCIPLES OF METALLURGY-Objective exercise -2 (Extraction of some metals)
  1. Metal extracted from molten cryolite is

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  2. From the below Ellingham diagram, incorrect statement among the follo...

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  3. Metal extracted only by electrolysis process is

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  4. Heating mixture of Cu(2) O and Cu(2) S will give

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  5. Metal that can be extracted by eletrolysis of its salt even from aqueo...

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  6. The final step in the metallurgical extraction of Cu metal from Cu pyr...

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  7. The process of bringing the metal or its ore into solution by the acti...

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  8. Exothermic reaction among the following is A) Cr(2) O(3) + 2All to...

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  9. In the extraction of silver from argentite are the one is treated with...

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  10. Which of the following reagent is used to separate the impurity from r...

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  11. The metal iron obtained for the last furnace contains X' percent of ca...

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  12. Ag(2) S + 4 NaCN to 2X + Na(2) S Incorrect statement about 'X' is

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  13. Regarding the electrolysis of Alunina, the correct statements A) Cr...

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  14. Gold and silver are extracted from their repective ores by

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  15. In which of the following pair of metals, both are commercially extrac...

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  16. The percentage of carbon in steel is approx

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  17. Which of following metal is extracted by the electrolysis of its salt ...

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  18. The charge of the Blast Furnace consists of

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  19. The correct statements with respect to Ellingham's diagram among the f...

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  20. Which of the following element is extracted using I (2) as the reactan...

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