| ⇦ | 
| ⇨ |
In the extraction of copper from its sulphide ore, the metal is finally obtained by the reduction of cuprous oxide with
Options
(a) carbon monoxide
(b) copper (I) sulphide
(c) sulphure dioxide
(d) iron (II) sulphide
Correct Answer:
copper (I) sulphide
Explanation:
2Cu₂S (s) +3O₂ (g) →2Cu₂O (s) +2SO₂(g)
The unchanged Cu₂S, mixed with Cu₂O and heated strongly in absence of air
2Cu₂S + 2Cu₂O →6Cu +SO₂.
Related Questions: - The pair of species that has the same bond order in the following is:
- The crystal structure of NaCl is
- Which of the following has lowest pH value
- The percentage strength (in g litre⁻¹) of 10 mL of 20 vol.solution of H₂O₂ is
- If 18g of water is electrolysed then volume of oxygen obtained at STP is
Topics: Surface Chemistry and Isolation of Elements
(88)
Subject: Chemistry
(2512)
Important MCQs Based on Medical Entrance Examinations To Improve Your NEET Score
- The pair of species that has the same bond order in the following is:
- The crystal structure of NaCl is
- Which of the following has lowest pH value
- The percentage strength (in g litre⁻¹) of 10 mL of 20 vol.solution of H₂O₂ is
- If 18g of water is electrolysed then volume of oxygen obtained at STP is
Topics: Surface Chemistry and Isolation of Elements (88)
Subject: Chemistry (2512)
Important MCQs Based on Medical Entrance Examinations To Improve Your NEET Score
18000+ students are using NEETLab to improve their score. What about you?
Solve Previous Year MCQs, Mock Tests, Topicwise Practice Tests, Identify Weak Topics, Formula Flash cards and much more is available in NEETLab Android App to improve your NEET score.
Share this page with your friends
Leave a Reply