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Formation of metallic copper from sulphi...

Formation of metallic copper from sulphide ore in te normal thermometallurgical process essentially involves which of the following reactions

A

`Cu_2S+ 3//2O_2 to Cu_2O + SO_2 , CuO + C to Cu + CO`

B

`Cu_2S + 3//2O_2 to Cu_2O + SO_2 , 2Cu_2O + Cu_2S to 6Cu + SO_2`

C

`Cu_2S + 2O_2 to CuSO_4 , CuSO_4 + Cu_2S to 3Cu + 2SO_2`

D

`Cu_2S + 3//2O_2 to Cu_2O + SO_2 , Cu_2O + CO to 2Cu + CO_2`

Text Solution

Verified by Experts

The correct Answer is:
B
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Knowledge Check

  • Formation of metallic copper from the sulphide ore in the normal thermo-metallurgical process essentially involves which one of the following reaction ?

    A
    `{:(CuS + (3)/(2)O_(2) rarr CuO + SO_(2),),(CuO + C rarr Cu + CO):}`
    B
    `{:(CuS + (3)/(2)O_(2) rarr CuO + SO_(2),),(2CuO + CuS rarr 3Cu + SO_(2)):}`
    C
    `{:(CuS + 2O_(2) rarr CuSO_(4),),(CuSO_(4) + CuS rarr CuSO_(4)):}`
    D
    `{:(CuS + (3)/(2)O_(2) rarr CuO + SO_(2),),(CuO + CO rarr Cu + CO_(2)):}`

  • Formation of metallic copper from the sulphide ore in the commercial metallurgical process involves.

    A
    `Cu_(2)S+(3)/(2)O_(2) to Cu_(2)O+SO_(2), " " Cu_(2)O+C to 2Cu+CO`
    B
    `Cu_(2)S+(3)/(2)O_(2)to Cu_(2)O+SO_(2), " " 2Cu_(2)O+Cu_(2)S to 6Cu+SO_(2)`
    C
    `Cu_(2)S+2O_(2) to CuSO_(4), " " CuSO_(4)+Cu_(2)S to 3Cu+2SO_(2)`
    D
    `Cu_(2)S+(3)/(2)O_(2)to Cu_(2)O+SO_(2), " " Cu_(2)O+CO to 2Cu+CO_(2)`

  • The extraction of metals from oxide ore involves

    A
    Hydrolysis
    B
    Decarboxilation
    C
    Electrolysis
    D
    Reduction

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