In the metallurgical extraction of copper, following reaction is used: FeO + SiO2 ® FeSiO3 FeO and FeSiO3 FeO and FeSiO3 respectively are.

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

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.

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Answered by

Alok Kumar Singh | Contributor-Level 10

6 months ago

Correct Option - 4

Detailed Solution:

In extraction of copper from copper pyrite (CuFeS₂).

FeS converted to FeO as;

$\underset{G a n g u e}{2 F e S} + 3 O_{2} \overset{Δ}{\to} \underset{G a n g u e}{2 F e O} + 2 S O_{2}$

Then FeO is removed as slag by given reaction

FeO + SiO₂ ® $\underset{S l a g}{F e S i O_{3}}$

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