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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
Hydrogen is ______ than air.
MULTIPLE CHOICE QUESTIONS
Hydrogen burns in oxygen to form
- hydrogen sulphide
- nitrates
- water
- ammonia
FILL IN THE BLANK
........................... means ‘maker of water’ in Greek.
What is noticed if the products are not allowed to escape?
Which test should be made before collecting hydrogen in a gas jar?
Give a reason for the following:
Zinc granules are used in the lab preparation of hydrogen.
Where does hydrogen occur in a free state?
Select the correct options for the following statement:
The metallic compound formed when a metal above aluminium in the activity series reacts with steam.
Complete and balance the equation:
[General method]
Reactions of metals - alkali [conc. soln.]
Aluminium - 2Al + 2NaOH + 2H2O → ______ + _______ [g]
2Al + 2KOH + 2H2O → _____ + _____ [g]
Give a balanced equation for the following conversion.
\[\ce{ZnO<-H2O->Fe3O4}\]
