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Question

Which of the following elements is extracted commercially by the electrolysis of an aqueous solution of its compound?

A
Chlorine
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B
Sulphur
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C
Sodium
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D
Bromine
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Solution

The correct option is A Chlorine
Chlorine is manufactured by the electrolysis of NaCl solution where Cl2 is evolved at the anode and H2 at the cathode.
At anode anode and H2 at the cathode.
At anode: ClCl+e,Cl+ClCl2
At cathode: Na++eNa.

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