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Consider the following reactions : 2XS...

Consider the following reactions :
`2XS+3O_(2)overset(Delta)to 2XO+2SO_(2)`
`2XO+XS overset(Delta)to 3' X'+SO_(2)`
Then 'X' can not be :

A

Hg

B

Pb

C

Zn

D

Cu

Text Solution

Verified by Experts

The correct Answer is:
C
Zn is extracted from its sulphide ore by roasting followed by carbon reducation Hg. Pb and Cu are extracted by self reducation from their sulphide ores
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Knowledge Check

  • NaNO_(3) overset(Delta) to NaNO_(2)+O_(2)

    A
    For disproportionation reaction.
    B
    For comproportionation reaction.
    C
    For either intermolecular redox reaction or displacement reaction
    D
    For either thermal combination redox reaction or thermal decomposition redox reaction.

  • NaNO_(3) overset(Delta) to NaNO_(2)+O_(2)

    A
    For disproportionation reaction.
    B
    For comproportionation reaction.
    C
    For either intermolecular redox reaction or displacement reaction
    D
    For either thermal combination redox reaction or thermal decomposition redox reaction.

  • 2XS + 3O_2 overset(Delta)(rarr) 2XO + 2SO_2 2XO+XS overset(Delta)(rarr)3X + SO_2 'X' नहीं हो सकता है

    A
    `Hg`
    B
    `Pb`
    C
    `Zn`
    D
    `Cu`
    • DISHA PUBLICATION-GENERAL PRINCIPLES AND PROCESSES OF ISOLATION OF ELEMENTS-EXERCISE -1: CONCEPT APPLICATOR
    1. Consider the following reactions : 2XS+3O(2)overset(Delta)to 2XO+2SO...

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    2. XCl(2)("excess")+Ycl(2) to XCl(4)+Y darr , YO underset(gt400^(@))ove...

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    3. All ores are minerals while all minerals are not ores because :

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    4. Consider the following reaction at 1000^(@)C (A) Zn (s) + (1)/(2) O...

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    5. Correct match is:

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    6. Select correct statement:

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    7. By which process Pb and Sn are extracted respectively are:

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    8. Which of the following faction is of no significance for roasting sul...

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    9. When copper pyrites is roasted in excess of air, a mixture of CuO + Fe...

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    10. Sulphide ores of metals are usually concentrated by both floatation pr...

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    11. Calcination is the process in which

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    12. Extraction of zinc from zinc blende is achieved by

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    13. In froth flotation process many chemicals (frother, collector, activat...

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    14. In the metallurgy of Zn the Zn dust obtained from roasting and reducti...

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    15. A sulphide ore is first converted into its oxide before reduction. Thi...

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    16. Carbon and CO gas are used to reduce which of the following pairs of m...

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    17. While extracting an element from its ore, the ore is grind and leached...

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    18. Consider the following statements - In the aluminothermite process,...

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    19. Which statement is correct?

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    20. Aluminium is prepared in large quantities by

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