12. In electrolysis of water, why is the volume of gas collected over one electrode almost double the gas collected over the other electrode? Name the gas collected on each electrode.
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Gas is hydrogen,This is because during electrolysis of water hydrogen and oxygen are present in 2:1, so Thatswhy hydrogen gas is doubled as compared to oxygen
2H2O -----------------'`2 H2 +O2
You can see from above reaction, Hydrogen And oxygen are in 2:1...Ans
HOPE IT HELPS..
Another Gas is oxygen
2H2O -----------------'`2 H2 +O2
You can see from above reaction, Hydrogen And oxygen are in 2:1...Ans
HOPE IT HELPS..
Another Gas is oxygen
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Answer:
In electrolysis of water :
a ) . Hydrogen gas collected at cathode. And oxygen gas gas collect at anode.
b ) . We know that in water there is 2 hydrogen atom and 1 oxygen atom. That's why volume of gas collected at one electrode double than the other.
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