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प्रश्न
Hydrogen can be prepared with the help of cold water. Give a reaction of hydrogen with:
A monovalent metal
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उत्तर
2K + 2H2O →2KOH + H2
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संबंधित प्रश्न
How do different metals displace hydrogen from water? Explain with the help of equations.
Give a reason for the following:
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Starting from hydrogen gas how would you obtain a neutral liquid.
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Complete and balance the equation:
[General method]
Reactions of active metals - cold water
Calcium - Ca + H2O → ______+ _______ [g]
Name an element whsich reacts violently with water at room temperature.
State the reactant added to hydrogen to obtain the respective product in following case.
Ammonia
State the reactant added to hydrogen to obtain the respective product in following case.
Hydrogen chloride
Give a reason for the following.
Granulated zinc is preferred to metallic zinc in the preparation of hydrogen using dilute acid.
