1.

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

Answer»

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

ANSWER :B


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