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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: - In the reaction of H₂O₂ with acidified KMnO₄
- At 298 K the enthalpy of formation of liquid water is -285.9 kJ/mol
- Which of the following contains amino group
- Which of the following represents correct decreasing order of polarity?
- Aspirin is chemically
Topics: Surface Chemistry and Isolation of Elements
(88)
Subject: Chemistry
(2512)
Important MCQs Based on Medical Entrance Examinations To Improve Your NEET Score
- In the reaction of H₂O₂ with acidified KMnO₄
- At 298 K the enthalpy of formation of liquid water is -285.9 kJ/mol
- Which of the following contains amino group
- Which of the following represents correct decreasing order of polarity?
- Aspirin is chemically
Topics: Surface Chemistry and Isolation of Elements (88)
Subject: Chemistry (2512)
Important MCQs Based on Medical Entrance Examinations To Improve Your NEET Score
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