Question

Why is the volume of hydrogen evolved is double than the volume of oxygen in electrolysis of water?

Answer 1

Answer:

In water, that is H,0, there are 2 atoms of hydrogen and one

atom of oxygen in a molecule of water. Thus upon electrolysis, water molecules break into hydrogen and oxygen. Thus one molecule of water gives 2 hydrogens and only 1 oxygen. Thus, the amount of hydrogen gas collected is always double in amount compared to the oxygen gas collected from electrolysis of water...

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