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.