Question

a.Name the gas collected at anode and cathode b. Why is the volume of gas collected at 1 electrode double than the other c. W
hat will happen if dilute H2 S o4 is not added to water

Answer 1

a. at anode -oxygen
at cathode- hydrogen
b. because there are two molecules of hydrogen and one molecule of oxygen is present in one molecule of water.
c. electrolysis of water will not happen.

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.