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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: - An orange dye, p-hydroxyazobenzene can be synthesized from benzene diazonium
- Dihedral angle in staggered form of ethane is
- In graphide electrons are
- Which of the following is not a cheracteristic of equilibrium
- In NH₃ and PH₃, the common feature is
Topics: Surface Chemistry and Isolation of Elements
(88)
Subject: Chemistry
(2512)
Important MCQs Based on Medical Entrance Examinations To Improve Your NEET Score
- An orange dye, p-hydroxyazobenzene can be synthesized from benzene diazonium
- Dihedral angle in staggered form of ethane is
- In graphide electrons are
- Which of the following is not a cheracteristic of equilibrium
- In NH₃ and PH₃, the common feature 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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