In aqueous solution of sodium chloride when electric current is passed through the solution what product is formed at the anode?
(a) chlorine gas
(b) Sodium metal
(c) Hydrogen gas
(d) Oxygen gas
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Explanation:
When an electric current is passed through concentrated sodium chloride solution, hydrogen gas forms at the negative electrode , chlorine gas forms at the positive electrode, and a solution of sodium hydroxide also forms.
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