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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: - The oxidising ability of halogens
- In the equation of state of an ideal gas PV = nRT, the value of the universal gas
- Aufbau principle does not give the correct arrangement of filling up of atomic
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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
- The oxidising ability of halogens
- In the equation of state of an ideal gas PV = nRT, the value of the universal gas
- Aufbau principle does not give the correct arrangement of filling up of atomic
- Which of the following is obtained when sodium phenoxide is heated with ethyl
- The carboxylic acid of least strength among the following is
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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