Advertisements
Advertisements
प्रश्न
Give a balanced equation for obtaining hydrogen from?
Steam using a metal – and the reaction is reversible.
Advertisements
उत्तर
To obtain H2 using boiling water and
Steam and a metal – a reaction is reversible
\[\ce{3Fe + 4H2O ⇌ Fe3O4 + 4H2}\]
APPEARS IN
संबंधित प्रश्न
FILL IN THE BLANK
........................... means ‘maker of water’ in Greek.
Give reason for the following:
The end of the thistle funnel should be dipped under acid.
Give reason for the following:
Dilute sulphuric acid cannot be replaced by concentrated acid in the preparation of hydrogen.
Complete and balance the following reaction.
Al + KOH + H2O→_____________ +___________
Select the correct options for the following statement:
The metal which reacts with steam liberating hydrogen & the reaction is reversible.
Select the correct options for the following statement:
The product formed on combustion of hydrogen in air is ___.
Complete and balance the equation:
[General method]
Reactions of metals with steam
Iron - 3Fe + 4H2O ⇌ ______+ _______ [g]
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
Give a balanced equation for the following conversion.
\[\ce{MgCl2<-HCl->FeCl2}\]
