Solveeit Logo

Question

Question: Which process of metallurgy of copper is represented by the equation? \( 2CuFe{S_2} + {O_2} \to C...

Which process of metallurgy of copper is represented by the equation?
2CuFeS2+O2Cu2S+2FeS+SO22CuFe{S_2} + {O_2} \to C{u_2}S + 2FeS + S{O_2}
A.A. Concentration
B.B. Roasting
C.C. Reduction
D.D. Purification

Explanation

Solution

Before solving the question we have to have an idea about metallurgy. Metallurgy is the process of extraction of metal from its ores. The process or method used for the metallurgy of a metal depends on the nature of ores and also on the properties of metal.Roasting is the process or method in which the ores are heated strongly in the presence of excess oxygen.

Complete answer
As we know metallurgy is the process of extraction of metal from its ores. For the given reaction roasting process of metallurgy copper is represented by the above equation, Roasting is done for the following things, first of all it dries the ores, volatile impurities like carbon dioxide and sulphur oxide and moisture are removed and second the ore is converted into its oxide which it can easily be reduced to its metal.
In the given reaction,
2CuFeS2+O2Cu2S+2FeS+SO22CuFe{S_2} + {O_2} \to C{u_2}S + 2FeS + S{O_2}
Copper pyrites are oxidized and a part of the sulphur in the ore is removed as sulphur dioxide.
From the above discussion we conclude that the roasting process of metallurgy of copper is represented by the above equation.
So, the correct option is B.B.

Note
It is to be noted that when we heat an ore in the roasting process of metallurgy of metal. The heating should be done at a temperature below the melting point of the ore. As we know, the method used for the metallurgy of a metal depends on the nature of ores and properties of the metal. Therefore, it is not possible to select a universal method for the extraction of metal.