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Electrolysis of Aqueous Sodium Chloride

During the el...

Question

During the electrolysis of sodium chloride solution, how many electrons are lost by each chloride ion?

A

one electron

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B

two electrons

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C

three electrons

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D

four electrons

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Solution

The correct option is B
two electrons

During the electrolysis of sodium chloride solution, chlorine on oxidation loses two electrons at anode.
At anode (oxidation):
$2 C l^{-} (a q) \to C l_{2} (g) + 2 e^{-}$

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