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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
Fill in the blank
Hydrogen is ..................... than air.
Match the statements in Column A with those in Column B.
| Column A | Column B |
|
1. A metal which reacts with cold water to from hydrogen. |
1. Reduction |
| 2. A gas which is inflammable and non-supporter of combustion | 2. Hydrogenation |
|
3. A process in which vanspati ghee is prepared from vegitable oils |
3. oxidation |
|
4. The removal ofhydrogen or addition of oxygen |
4. sodium |
| 5. The addition of hydrogen or removal of oxygen | 5. Hydrogen |
Why nitric acid is not used in the preparation of hydrogen?
Complete and balance the following reaction.
Ca + H2O →_____________ +___________
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 with steam
Aluminium - 2Al + 3H2O → ______+ _______ [g]
Complete and balance the equation:
[General method]
Reactions of metals with steam
Iron - 3Fe + 4H2O ⇌ ______+ _______ [g]
How did the name ‘hydrogen’ originate? How does hydrogen occur in the combined state?
Select the correct answer to the reactant added, to give the product in the preparation of hydrogen gas.
\[\ce{Fe3O4 + H2}\]
Give a balanced equation for the following conversion.
\[\ce{CO + H2<-H2O->CO2 + H}\]
