Question

when water is electrolyzed the gas collected at cathode is a) sulphur b) oxygen c) hydrogen d) sulphur dioxide ​

Answer 1

Answer:

so b) and c) is the answer

Explanation:

With the correct electrodes and correct electrolyte, such as baking soda (sodium bicarbonate), hydrogen and oxygen gases will stream from the oppositely charged electrodes. Oxygen will collect at the positively charged electrode (anode) and hydrogen will collect at the negatively charged electrode (cathode).