11 In the electrolysis of water : [3] a) Name the gas collected at anode and cathode b) Why is the volume of gas collected at one electrode double than the other? c) What would happen if dil H 2 SO 4 is not added to water?
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a)gas collected on anode is oxygen and gas collected on cathode is hydrogen.
b) decomposition of water by electricity give hydrogen and oxygen give 2:1 ration which means that the compound water is made up of 2 parts of hydrogen and one part of oxygen.
c)If Dil H2So4 is not added to the water then the rate of electrostatic decrease.
b) decomposition of water by electricity give hydrogen and oxygen give 2:1 ration which means that the compound water is made up of 2 parts of hydrogen and one part of oxygen.
c)If Dil H2So4 is not added to the water then the rate of electrostatic decrease.
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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.
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