Question

On the electrolysis of water a) name the gas collected at anode and cathode b)

Answer 1

at cathode --- hydrogen
at anode --- oxygen

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.