Chemistryhard · Past Paper
During the electrolysis of water, the ratio of hydrogen to oxygen by volume is:
A1:1
B1:2
C2:1
D8:1
✓ Correct Answer: C — 2:1
2H2O -> 2H2 + O2. The stoichiometric ratio of volumes for H2:O2 is 2:1.
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