JEE Main On 16 April 2018 Question 26
Question: In the extraction of copper from its sulphide ore, metal is finally obtained by the oxidation of cuprous sulphide with: [JEE Main 16-4-2018]
Options:
A) $ SO _2 $
B) $ Fe _2SO _3 $
C) $ Cu _2O $
D) CO
Show Answer
Answer:
Correct Answer: C
Solution:
- In the extraction of copper from its sulphide ore, metal is finally obtained by the oxidation of cuprous sulphide with $ Cu _2O $ It is example of auto reduction $ Cu _2O $ is reduced to copper metal.