Value of standard electrode potential for the oxidation of Cl – ions is more positive than that of water, even then in the electrolysis of aqueous sodium chloride, why is Cl – oxidized at anode instead of water?

Question

Value of standard electrode potential for the oxidation of Cl – ions is more positive than that of water, even then in the electrolysis of aqueous sodium chloride, why is Cl – oxidized at anode instead of water?, The concentration of Cl – ions in the solution is higher than that of water molecules., Under the conditions of electrolysis of aqueous sodium chloride, oxidation of water at anode requires overpotential hence Cl – is oxidized instead of water, The standard electrode potential alone determines the species oxidized at the anode., The concentration of Na⁺ ions in the solution promotes the oxidation of Cl – ions.

MARKS App · Accepted Answer

Correct Option is : (B) Under the conditions of electrolysis of aqueous sodium chloride, oxidation of water at anode requires overpotential hence Cl – is oxidized instead of water

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