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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 metal-carbon bond in metal carbonyl possesses
- A vessel contains a mixture of different types of gases.Which of the following
- Which one of the following statements concerning lanthanides elements is false
- When an acid cell is charged, then
- Borax is used as a cleansing agent because on dissolving in water it gives
Topics: Surface Chemistry and Isolation of Elements
(88)
Subject: Chemistry
(2512)
Important MCQs Based on Medical Entrance Examinations To Improve Your NEET Score
- The metal-carbon bond in metal carbonyl possesses
- A vessel contains a mixture of different types of gases.Which of the following
- Which one of the following statements concerning lanthanides elements is false
- When an acid cell is charged, then
- Borax is used as a cleansing agent because on dissolving in water it gives
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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