ICSE Class 8 Answered
describe an experiment to prove that water contains two volumes of hydrogen and one volume of oxygen.
Asked by manojkumaribr | 12 Mar, 2020, 08:27: PM
Expert Answer
Water contains two volumes of hydrogen and one volume of oxygen can be proved by carrying out the experiment of Electrolysis of Acidulated Water.
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Electrolysis of Water |
When an electric current is passed through acidulated water, it dissociates into hydrogen and oxygen.
2H2O 
2H2 + O2
Acidulated water Hydrogen Oxygen
- Hydrogen is collected at cathode (negative electrode)
- Oxygen is collected at anode (positive electrode)
The ratio of hydrogen and oxygen thus collected is 2:1 by volume.
Answered by Varsha | 13 Mar, 2020, 10:15: AM
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