Advertisements
Advertisements
Question
Starting from hydrogen gas how would you obtain a metal by reduction of its heated oxide.
Solution
Reduction of Fe2O3 (iron oxide) on heating to metal iron.
\[\ce{Fe2O3 + 3H2 ->\underset{\text{Reduced to metal}}{2Fe} + 3H2O}\]
APPEARS IN
RELATED QUESTIONS
For laboratory preparation of hydrogen, give the following:
fully-labeled diagram
Why are the following metals not used in the lab. preparation of hydrogen?
sodium
Select the correct options for the following statement:
The metallic compound formed when a metal above aluminium in the activity series reacts with steam.
Select the correct options for the following statement:
The product formed on combustion of hydrogen in air is ___.
Name an element whsich reacts violently with water at room temperature.
Account for the following fact:
Potassium and sodium are not used to react with dilute ‘hydrochloric acid or dilute sulphuric acid in the laboratory preparation of hydrogen.
State the reactant added to hydrogen to obtain the respective product in following case.
Ammonia
State the reactant added to hydrogen to obtain the respective product in following case.
Water
Select the correct answer to the reactant added, to give the product in the preparation of hydrogen gas.
\[\ce{Al2(SO4)3 + H2}\]
Give a balanced equation for the following conversion.
\[\ce{KAlO2<-KOH->K2ZnO2}\]
