Identify the reaction that does not take place during the smelting process of copper extraction
A. `2FeS+3O_2 to 2FeO + 2SO_(2) uarr `
B. `Cu_2 O+FeS to Cu_2 S +FeO `
C. `2Cu_2 S +3O_2 to 2Cu_2 O +2SO_2 uarr `
D. `FeO+SiO_2 to FeSiO_3`

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1 Answers

Correct Answer - A
The reaction , `2FeS+3O_2 to 2FeO+2SO_(2) uarr ` occurs during roasting of pyrites ore. All other reactions occur in smelting process.

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