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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: - Aluminium deposited vapours on glass forms a good mirror essentially because
- 3-Pentanol upon reaction with PBr₃ gives 2 and 3-bromopentane.Such rearrangement
- Bakelite is prepered by the reaction between
- Which of the following is dihydric alcohol
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Topics: Surface Chemistry and Isolation of Elements
(88)
Subject: Chemistry
(2512)
Important MCQs Based on Medical Entrance Examinations To Improve Your NEET Score
- Aluminium deposited vapours on glass forms a good mirror essentially because
- 3-Pentanol upon reaction with PBr₃ gives 2 and 3-bromopentane.Such rearrangement
- Bakelite is prepered by the reaction between
- Which of the following is dihydric alcohol
- A detergent has which of the following group attached to the terminal of a long carbon
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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