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Electrolysis of water is a decomposition reaction. The mole ratio of hydrogen and oxygen gases liberated during electrolysis of water is
- 1:1
- 2:1
- 4:1
- 1:2
Correct Answer: (b) 2:1
Explanation: 1 mole of water (H2O) has 2 moles of Hydrogen and 1 mole of water. Hence mole ratio between hydrogen and oxygen is 2:1.
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