Why can't we use AC current instead of DC in electrolysis?
Answers
Answer:
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we cant use AC current instead of DC in electrolysis because AC current have larger flow of electrons than the DC current.
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Answer:
→ 1st explanation :-
In electrolysis the ionisation of the electrolyte takes place where the positive and negative charges move towards opposite electrodes. For this the electrodes are required to be maintained at opp. Polarity as long as the process continues which is possible while supplying a DC current. But if we pass an AC current the polarity of the electrodes will be continuously changing and the ions will not be attracted toward any particular electrode resulting in no ionisation. Hence electrolysis cannot take place with AC current.
→ 2nd explanation :-
Even if it were current-limited, alternating current (AC) would not be appropriate for electrolysis. Because the "cathode" and "anode" are constantly switching places, AC produces explosive mixtures of hydrogen and oxygen. ... Direct current (DC) is used for electrolysis.
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