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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
A metal ______ hydrogen in the reactivity series gives hydrogen with ______.
FILL IN THE BLANK
........................... means ‘maker of water’ in Greek.
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from acid?
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chemical equation
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Fe + HCl →_____________ +___________
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The metallic compound formed when a metal above aluminium in the activity series reacts with steam.
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A white substance which leaves an amphoteric oxide as a residue [whose colour varies in the heated and in the cold state] and evolves a gas which turns lime water milky.
State the reactant added to hydrogen to obtain the respective product in following case.
Hydrogen chloride
