Question

in electrolysis of water,why is the volume of gas collected over one electrode double that of gas collected over the other electrode?

Answer 1

This is because hydrogen element is having 2 atoms of hydrogen where as oxgen has only one
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Answer 2

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.

c ) . Pure water is a bad conductor of electricity when we add drops of dil sulphuric acid we make it a good conductor of electricity.