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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: - A gas decolourised by KMnO₄ solution but gives no precipitate with ammoniacal cuprous
- A vessel contains a mixture of different types of gases.Which of the following
- Ethyl alcohol gives ethyl chloride with the help of
- Allyl chloride on dehydrochlorination gives
- Dimethyl terephthalate and ethylene glycol react to form
Topics: Surface Chemistry and Isolation of Elements
(88)
Subject: Chemistry
(2512)
Important MCQs Based on Medical Entrance Examinations To Improve Your NEET Score
- A gas decolourised by KMnO₄ solution but gives no precipitate with ammoniacal cuprous
- A vessel contains a mixture of different types of gases.Which of the following
- Ethyl alcohol gives ethyl chloride with the help of
- Allyl chloride on dehydrochlorination gives
- Dimethyl terephthalate and ethylene glycol react to form
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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