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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: - Which of the following is an amphoteric oxide
- C₆H₆ consists of one ring,while naphthalene consists of two rings. Both
- The dipole moment is the highest for
- A 0.66 kg ball is moving with a speed of 100 m/s. The associated wavelength
- H₂S₂O₇ has a commercial name as
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 is an amphoteric oxide
- C₆H₆ consists of one ring,while naphthalene consists of two rings. Both
- The dipole moment is the highest for
- A 0.66 kg ball is moving with a speed of 100 m/s. The associated wavelength
- H₂S₂O₇ has a commercial name as
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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