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Electrolysis

During the el...

Question

During the electrolysis of a saturated solution of sodium chloride, where is:

(a) chlorine formed?

(b) hydrogen formed?

(c) sodium hydroxide formed?

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Solution

During the electrolysis of a saturated solution of sodium chloride,

(a) chlorine gas is produced at the anode (positive electrode);
(b) hydrogen gas is produced at the cathode (negative electrode);
(c) sodium hydroxide solution is produced near the cathode.

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