Question

In the extraction of copper from its sulphide ore, the metal is formed by reduction of $C{u}_{2}O$ with

• A. $FeS$
• B. $CO$
• C. $C{u}_{2}S$
• D. $S{O}_2$

Answer 1

Answer: (C)

Copper is obtained by self-reduction or self electronation or auto reduction as shown below
$2C{u}_{2}O+C{u}_{2}S\to 6Cu+S{O}_2\uparrow$