| ⇦ | 
| ⇨ |
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: - Which of the following sets of quantum numbers violates the rules of quantum mechanics
- Sodium thiosulphate is added in photography to
- Aqueous solution of Cu (II) gives an intense blue solution with ammonia,which is due
- Which of the following alcohol is least soluble in water
- One gram sample NH₄NO₃ is decomposed in a bomb calorimeter.
Topics: Surface Chemistry and Isolation of Elements
(88)
Subject: Chemistry
(2512)
Important MCQs Based on Medical Entrance Examinations To Improve Your NEET Score
- Which of the following sets of quantum numbers violates the rules of quantum mechanics
- Sodium thiosulphate is added in photography to
- Aqueous solution of Cu (II) gives an intense blue solution with ammonia,which is due
- Which of the following alcohol is least soluble in water
- One gram sample NH₄NO₃ is decomposed in a bomb calorimeter.
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