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प्रश्न
How is the following metallic oxide reduced? Write equations:
Iron (ll) oxide
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उत्तर
Iron is a moderately reactive metal; its oxide is reduced by Carbon Reduction Process.
\[\ce{FeO + CO ->[750-500^\circ C] Fe + CO2}\]
\[\ce{4FeO + O2 -> 2Fe2O3}\]
\[\ce{Fe2O3 + 3CO ->[600^\circ C-400^\circ C]2Fe + 3CO2}\]
संबंधित प्रश्न
Name the following:
A metal oxide that can be reduced by hydrogen.
Name the compound added to pure alumina to lower the fusion temperature during the electrolytic reduction of alumina.
Name oxide of one metal which is reduced by (give equation): Reduction with heat alone
what is the function of cryolite in the extraction of aluminium, other than acting as a solvent for bauxite?
Name a non-metallic element which forms acidic and neutral oxides
Name a non-metallic element which has a metallic lustre
What is the type of bonding expected in a metallic chloride?
4 tones of bauxite, 150 Kg of sodium hydroxide and 600 Kg of graphite.
The aluminium compound in bauxite is aluminium oxide and the main impurity is iron (II) oxide. Aluminium is obtained by the electrolysis of aluminium oxide dissolved in cryolite.
(a) When bauxite is treated with sodium hydroxide solution, what happens to:
(i) the aluminium oxide?
(ii) The iron (III) oxide?
Answer the following question with respect by hydrogen : Identify the components of the electrolyte other than pure alumina and the role played by each.
Answer the following question with respect by hydrogen :
Explain why powdered coke is sprinkled over than electrolytic mixture.
