Question:
In the extraction of copper from its sulphide ore, metal is finally obtained by the oxidation of cuprous sulphide with :
In the extraction of copper from its sulphide ore, metal is finally obtained by the oxidation of cuprous sulphide with :
Updated On: Jul 6, 2024
- $Fe_2O_3$
- $Cu_2O$
- $SO_2$
- $CO$
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The Correct Option is B
Solution and Explanation
In the extraction of copper from its sulphide ore, copper is obtained finally by oxidation of cuprous sulphide with $Cu _{2} O$.
$Cu _{2} S +\frac{3}{2} O _{2} \rightarrow Cu _{2} O + SO _{2} \uparrow$
$Cu _{2} S +2 Cu _{2} O \rightarrow 6 Cu ( I )+ SO _{2} \uparrow$
$Cu _{2} S +\frac{3}{2} O _{2} \rightarrow Cu _{2} O + SO _{2} \uparrow$
$Cu _{2} S +2 Cu _{2} O \rightarrow 6 Cu ( I )+ SO _{2} \uparrow$
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Concepts Used:
General Principles and Processes of Isolation of Elements
What are Ores and Minerals?
Minerals are the naturally occurring, homogeneous inorganic solid substances. They are having a definite chemical composition and crystalline structure, hardness and color. For example, copper pyrite, calamine, etc.
Impurities in an ore are called gauge. The removal of a gauge from the ore is called concentration ore.
Several steps are involved in the extraction of pure metal from ores. Major steps are as follows –
- Concentration of the ore
- Isolation of the metal from its concentrated ore
- Purification of the metal