The following are some statements about electrolysis:
I) Involves flow of electrons from anode to cathode
II) Involves no chemical reaction at electrodes
III) Oxidation occurs at anode and reduction at cathode
IV) Anions migrate towards cathode
All are correct
Only I, II and III are correct
Only I and III are correct
Only I and II are correct
A
Only I and III are correct
B
Only I, II and III are correct
C
Only I and II are correct
D
All are correct
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Solution
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During electrolysis, an electric current passes through the electrolyte. This is accompanied by a chemical change. Hence option (II) is incorrect. During electrolysis, anions migrate towards anode and cations migrate towards cathode.
Hence option (IV) is incorrect.
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