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प्रश्न
In the extraction of copper from its sulphide ore, the metal is formed by the reduction of \[\ce{Cu2O}\] with ______.
पर्याय
\[\ce{FeS}\]
\[\ce{CO}\]
\[\ce{Cu2S}\]
\[\ce{SO2}\]
उत्तर
In the extraction of copper from its sulphide ore, the metal is formed by the reduction of \[\ce{Cu2O}\] with \[\ce{Cu2S}\].
Explanation:
In the extraction of copper from its sulphide ore, the metal is formed by the reduction of \[\ce{Cu2O}\] with \[\ce{Cu2S}\]. This reaction completes with the process of auto reduction.
Chemical reaction occurring in this reaction is as follows:
\[\ce{Cu2O + 1/2 Cu2S -> 3Cu + 1/2 SO2}\]
In this process, copper appears as blister copper.
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संबंधित प्रश्न
How is 'cast iron' different from 'pig iron'?
The reaction,
Cr2O3 + 2Al → Al2O3 + 2Cr
(ΔGθ = -421kJ) is thermodynamically feasible as is apparent from the Gibbs energy value. Why does it not take place at room temperature?
Write chemical reactions taking place in the extraction of zinc from zinc blende.
The choice of a reducing agent in a particular case depends on thermodynamic factor. How far do you agree with this statement? Support your opinion with two examples.
For the reduction of \[\ce{FeO}\] at the temperature corresponding to point D, which of the following statements is correct?
Wrought iron is the purest form of iron. Write a reaction used for the preparation of wrought iron from cast iron. How can the impurities of sulphur, silicon and phosphorus be removed from cast iron?
Why is sulphide ore of copper heated in a furnace after mixing with silica?
Explain the following:
\[\ce{CO2}\] is a better reducing agent below 710 K whereas \[\ce{CO}\] is a better reducing agent above 710 K.
Explain the following:
Carbon and hydrogen are not used as reducing agents at high temperatures.
Assertion: For the extraction of iron, haematite ore is used.
Reason: Haematite is a carbonate ore of iron.
