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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: - Of the following, which change will shift the reaction towards the product
- The combustion enthalpies of carbon , hydrogen and methane are -395.5 kJ mol⁻¹
- Permanganate ion changes to ….. in acidic medium
- Formula of ferric sulphate is
- Reaction between an acyl halide and the sodium salt of a fatty acid results in
Topics: Surface Chemistry and Isolation of Elements
(88)
Subject: Chemistry
(2512)
Important MCQs Based on Medical Entrance Examinations To Improve Your NEET Score
- Of the following, which change will shift the reaction towards the product
- The combustion enthalpies of carbon , hydrogen and methane are -395.5 kJ mol⁻¹
- Permanganate ion changes to ….. in acidic medium
- Formula of ferric sulphate is
- Reaction between an acyl halide and the sodium salt of a fatty acid results in
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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