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प्रश्न
For laboratory preparation of hydrogen, give the following:
method of collection
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उत्तर
It is collected by the downward displacement of water.
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संबंधित प्रश्न
Hydrogen is ______ than air.
Multiple Choice Question
Water gas is a mixture of
For laboratory preparation of hydrogen, give the following:
materials used
Correct the following statement:
Hydrogen is separated from CO by passing the mixture through caustic potash solution.
Starting from hydrogen gas how would you obtain a basic gas.
Select the correct options for the following statement:
The metal which reacts with steam liberating hydrogen & the reaction is reversible.
Complete and balance the equation:
[General method]
Reactions of active metals - cold water
Potassium- K + H2O → ______+ ______ [g]
Complete and balance the equation:
[General method]
Reactions of metals with dilute acids
Iron - Fe + 2HCl → ______ + _______ [g]
Complete and balance the equation:
[Industrial Method - Bosch process]
- Step I - Production of water gas -
\[\ce{C + H2O->[1000°C]}\] [____ + ____] - Δ - Step II - Reduction of steam to hydrogen by carbon monoxide
\[\ce{CO + H2 + H2O->[450°C][Fe2O3]}\] _____ + ____ [g] - Step III - Removal of unreacted carbon dioxide and carbon monoxidefrom the above mixture
KOH + CO2 → _________ + ______
CuCl + CO + 2H2O → _______
State the reactant added to hydrogen to obtain the respective product in following case.
Ammonia
