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In the metallurgical extraction of copper, following reaction is used:

FeO + SiO2 ® FeSiO3

FeO and FeSiO3

FeO and FeSiO3 respectively are.

Option 1 -

Gangue and flux.

Option 2 -

Flux and slag.

Option 3 -

Slag and flux.

Option 4 -

Gangue and slag.

0 2 Views | Posted 2 months ago
Asked by Shiksha User

  • 1 Answer

  • A

    Answered by

    alok kumar singh | Contributor-Level 10

    2 months ago
    Correct Option - 4


    Detailed Solution:

    In extraction of copper from copper pyrite (CuFeS2).

    FeS converted to FeO as;

    2 F e S G a n g u e + 3 O 2 → Δ 2 F e O G a n g u e + 2 S O 2          

    Then FeO is removed as slag by given reaction

    FeO + SiO2 ®   F e   S i O 3 S l a g

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