Question

Why volume of gas collected at one electrode is double than other during electrolysis of water

Answer 1

hydrogen is answer
the O2 and h2 will be in ratio 1:2
the formula of water is h2o and not ho2
so hydrogen will be two parts and oxygen one part
hope this helps you quickly

Answer 2

Hey mate..

Volume of Hydrogen gas is double than oxygen gas.This is because in H2O(water)..2 parts of hydrogen and only 1 part of oxygen is present..

HOPE IT HELPS..☺