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प्रश्न
Starting from hydrogen gas how would you obtain a basic gas.
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उत्तर
3 volumes of H2 react with 1 vol. of N2 gas in presence of catalyst (finely divided Fe at 450-500°C) and a basic gas ammonia is produced.
\[\ce{\underset{\text{1 vol.}}{N2} +\underset{\text{3 vol.}}{3H2} ⇌[450-500°C][Fe]\underset{\text{(Ammonia gas)}}{2NH3}}\]
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संबंधित प्रश्न
Fill in the blank
Hydrogen is ..................... than air.
TRUE \ FALSE
Hydrogen does not combine with nitrogen under ordinary conditions.
How do different metals displace hydrogen from water? Explain with the help of equations.
Why are the following metals not used in the lab. preparation of hydrogen?
aluminium
Why are the following metals not used in the lab. preparation of hydrogen?
sodium
Select the correct options for the following statement:
The metal used as a catalyst in hydrogenation of oils.
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 active metals - cold water
Sodium - 2Na + 2H2O → ______+ _______ [g]
Name an element whsich reacts violently with water at room temperature.
State the electronic configuration of hydrogen [at. no. 1].e
Give a reason why hydrogen can be placed in group 1 [1A] and group 17 [VIIA] of the periodic table.
