General Principles And Processes Of Isolation Of Elements Ques 2
2. In the extraction of copper from its sulphide ore, the metal finally obtained by the reduction of cuprous oxide with :
[2012, 2015 RS]
(a) iron (II) sulphide
(b) carbon monoxide
(c) copper (I) sulphide
(d) sulphur dioxide
Show Answer
Solution:
- (c) $2 Cu_2 S(s)+3 O_2(g) \to 2 Cu_2 O(s)+2 SO_2(g)$ The unchanged $Cu_2 S$, mixed with $Cu_2 O$ and heated strongly in absence of air $Cu_2 S+2 Cu_2 O \to 6 Cu+SO_2$
BETA
