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प्रश्न
‘Hydrogen is obtained by electrolysis of acidified water’.
Answer the following pertaining to the preparation of hydrogen by electrolysis,
The meaning of the term ‘electrolysis’ and ‘electrolyte’.
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उत्तर
- Electrolysis : “Dissociation of water into hydrogen gas and oxygen gas by the passage of electric current is called electrolysis.”
\[\ce{2H2O ⇌[Electricity][Current] 2H2 + O2}\]
- Electrolyte : “A chemical compound (water) in solution state which conducts electric current and decomposes is called electrolyte.”
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संबंधित प्रश्न
Multiple Choice Question
The metal which reacts with cold water to produce hydrogen is
Which metal is preferred for the preparation of hydrogen?
from water?
Complete the following word equation:
Sodium hydroxide + zinc → hydrogen + _________
Which test should be made before collecting hydrogen in a gas jar?
Give reason for the following:
In the preparation of hydrogen by electrolysis of water – the distilled water used is acidified.
Account for the following fact:
Potassium and sodium are not used to react with dilute ‘hydrochloric acid or dilute sulphuric acid in the laboratory preparation of hydrogen.
How did the name ‘hydrogen’ originate? How does hydrogen occur in the combined state?
State the condition and give balanced equation for the conversion of water gas to hydrogen – in the Bosch process.
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.
