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

Options

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

Answer

B