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प्रश्न
State the condition and give balanced equation for the conversion of water gas to hydrogen – in the Bosch process.
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उत्तर
Conditions and balance equations for conversion of water gas to hydrogen
Water gas should be mixed with excess of steam, catalyst → Fe2O3 promoter → Cr2O3 at 450°C
\[\ce{[Co + H2] + \underset{\text{steam}}{H2O}->[Fe2O3 450°C][Cr2O3] CO2 + 2H2 +\triangle}\]
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संबंधित प्रश्न
Give a reason for the following:
Zinc granules are used in the lab preparation of hydrogen.
Give reason for the following:
The end of the thistle funnel should be dipped under acid.
Why are the following metal not used in the lab. preparation of hydrogen?
iron
Why are the following metals not used in the lab. preparation of hydrogen?
aluminium
Complete and balance the following reaction.
Ca + H2O →_____________ +___________
Complete and balance the equation:
[General method]
Reactions of metals with dilute acids
Zinc - Zn + 2HCl → ______ + _______ [g]
Account for the following fact:
Though lead is above hydrogen in the activity series, it does not react with dilute hydrochloric acid or dilutes sulphuric acid.
Give a balanced equation for obtaining hydrogen from?
Steam using a metal – and the reaction is reversible.
State the reactant added to hydrogen to obtain the respective product in following case.
Hydrogen chloride
Select the correct answer to the reactant added, to give the product in the preparation of hydrogen gas.
\[\ce{MgO + H2}\]
