Question

in electrolysis of sodium chloride, sodium is deposited at the ______ and chlorine is evolved at ____.

Answer 1

at electrolysis of sodium Chloride.(NaCl)
NACl--->Na^+ +Cl^-
here Na is a positive ion so it will go at negative electrode ( cathode ) and Cl is a negative ion so it will go at positive electrode(anode)......

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Answer 2

Nacl dissociates into Na+ and Cl-

As cathode is + ve, Cl- is evolved there while as anode is -ve Na+ deposits there