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Questions and Answers
What is produced at the anode during the electrolysis of water?
What is produced at the anode during the electrolysis of water?
Which ions move towards the cathode during the electrolysis of water?
Which ions move towards the cathode during the electrolysis of water?
What is the overall reaction of the electrolysis of water?
What is the overall reaction of the electrolysis of water?
What kind of solution is typically used for electrolysis of water?
What kind of solution is typically used for electrolysis of water?
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What do hydroxide ions produce during the electrolysis process at the anode?
What do hydroxide ions produce during the electrolysis process at the anode?
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Study Notes
Electrolysis of Water
- When an electric current passes through acidified water, the cations (positively charged ions) move towards the cathode (negative electrode) and anions (negatively charged ions) move towards the anode (positive electrode).
- Oxygen is produced at the anode.
- Hydrogen is produced at the cathode.
- Overall reaction: 2H₂O(l) → 2H₂(g) + O₂(g)
- Oxidation Reaction: 4OH⁻(aq) → O₂(g) + 2H₂O(l) + 4e⁻
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Description
This quiz covers the process of electrolysis of water, including the movement of ions, the production of oxygen and hydrogen, and the overall chemical reaction involved. Test your understanding of the oxidation reactions and the electrical concepts behind this fascinating chemical process.
