Question

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

• A. 1
• B. 2
• C. 3
• D. 4

Answer 1

The correct option is A 1

During the electrolysis of sodium chloride solution, chlorine on oxidation loses two electrons at anode.
At anode (oxidation):
$2C{l}^{-}\left(aq\right)\to C{l}_2\left(g\right)+2e^{-}$