English

What is the Role of Coke in the Extraction of Iron from Its Oxides? - Chemistry

Advertisements
Advertisements

Questions

What is the role of coke in the extraction of iron from its oxides?

Describe the role of the coke in the extraction of iron from its oxides.

One Line Answer

Solution 1

Coke reduces the iron oxide to molten iron metal. Also, coke, when burnt in the blast furnace, supplies the heat required for carrying out the extraction of iron from its oxide.

FeO + C  Fe + CO

shaalaa.com

Solution 2

In the extraction of iron from its oxide, coke acts as
(a) fuel
(b) Reducing agent

shaalaa.com
  Is there an error in this question or solution?
2015-2016 (March) Delhi Set 1

RELATED QUESTIONS

The process of leaching alumina, using sodium carbonate is called

  • Bayer's process
  • Decomposition
  • Cyanide process
  • Hall's process

What is the role of CO in the extraction of Iron?


Write the names and chemical formulae of any ‘two’ minerals of aluminium.


Explain the following methods to protect metals from corrosion:

Galvanization


The chemical formula of willemite is __

(a) ZnS

(b) ZnCO3

(c) ZnO

(d) Zn2SiO4


What is the role of the following compound- 
SiO2 in the extraction of copper from copper pyrites?


Copper has the face centred cubic structure. The coordination number of each ion is:


In the extraction of zinc from zinc blende:

(i) Give an equation to show how zinc oxide is converted to zinc.
(ii) How is impure zinc finally electro-refined? 


Which among the following statement is correct?


The most abundant metal on earth is:


Carbonate ore of iron is ____________.


Which of the following options are correct?

(i) Cast iron is obtained by remelting pig iron with scrap iron and coke using hot air blast.

(ii) In extraction of silver, silver is extracted as cationic complex.

(iii) Nickel is purified by zone refining.

(iv) Zr and Ti are purified by van Arkel method.


The main reactions occurring in blast furnace during extraction of iron from haematite are:

(i) \[\ce{Fe2O3 + 3CO -> 2Fe + 3CO2}\]

(ii) \[\ce{FeO + SiO2 -> FeSiO3}\] 

(iii) \[\ce{Fe2O3 + 3C -> 2Fe + 3CO}\]

(iv) \[\ce{CaO + SiO2 -> CaSiO3}\]


Identify a mineral for the major source of boron from the following list?


In the electrolytic process for the extraction of aluminium the electrolyte is:-


Extraction of zinc from zinc blende is achieved by:-


Metal always found in Free State is 


Native silver metal forms a water solution complex with dilute solution of Na CN in the presence of


Match List - I with List - II.

  List - I   List - II
  (One)   (Composition)
(A) Siderite (I) FeCO3
(B) Malachite (II) CuCO3 · Cu(OH)2
(C) Sphalerite (III) ZnS
(D) Calamine (IV) ZnCO3

Choose the correct answer from the options given below:


Share
Notifications

Englishहिंदीमराठी


      Forgot password?
Use app×