Class 10 Science Chemistry Metals and Non metals



During electrolysis of molten sodium chloride, _______ .
(a)
sodium is obtained by reduction at cathode and chlorine is obtained by oxidation at anode
(b)
sodium is obtained by oxidation at cathode and chlorine is obtained by reduction at anode
(c)
sodium is obtained by reduction at anode and chlorine is obtained by oxidation at cathode
(d)
sodium is obtained by oxidation at anode and chlorine is obtained by reduction at cathode
Correct answer: (a) 
Solution: During electrolysis of , the metal sodium is deposited at the cathode (the negatively charged electrode), whereas, chlorine is liberated at the anode (the positively charged electrode). The reactions are:

At cathode :
At anode :


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