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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 will not act as a buffer?
- Coordination number of Zn in ZnS (zinc blende) is
- In the equation of state of an ideal gas PV = nRT, the value of the universal gas
- Choose the correct statements
- Oxidation number of Fe in Fe(CO)₅ is
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 will not act as a buffer?
- Coordination number of Zn in ZnS (zinc blende) is
- In the equation of state of an ideal gas PV = nRT, the value of the universal gas
- Choose the correct statements
- Oxidation number of Fe in Fe(CO)₅ 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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