Identify the reaction that doesn't take place during the smelting process of copper extraction

Options

A. `2FeS+3O_(2)to2FeO+2SO_(2)uarr`
B. `Cu_(2)O+FeStoCu_(2)S+FeO`
C. `2Cu_(2)S+3O_(2)to2Cu_(2)O+2SO_(2)uarr`
D. `FeO+SiO_(2)toFeSiO_(3)`

Answer

C

Explanation

`2Cu_(2)S+3O_(2)to2Cu_(2)O+2SO_(2)uarr`
This reaction is not of smelting process of copper.
This reaction is Bessemerisation reaction of copper.