1.

When electrolysis of water is done then : (a) Identify the gases evolved at cathode and anode. (write equations also) (b) Why is amount of gas collecte in one of the other ? Name this gas .

Answer»

Solution :(a) At cathode `H_(2)` gas, At anode `O_(2)` gas
(B) The volume of `H_2` gas at cathode is double than volume of `O_(2)` gas collected at anode as in `H_(2)O`molecule, TWO parts of HYDROGEN combine with one part of oxygen (by their volume)


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