Question

electrolysis of an aqueous solution of sodium chloride lead to the formation offormation of Na and O2 NaCl 2H2 cl2 any and H2

Answer 1

it leads to formation of Cl² (

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Answer 2

Answer : Electrolysis of an aqueous solution of sodium chloride lead to the formation of $Cl_2$ gas.

Explanation :

As we know that the brine is the solution of sodium chloride and water or the aqueous solution of sodium chloride.

In the electrolysis of aqueous solution of sodium chloride, hydrogen gas produces at the cathode which is a negative electrode and chlorine gas produces as the anode which is a positive electrode and the sodium hydroxide remains dissolved in the solution.

The two half-reaction equation are :

Reduction : $2H^++2e^-\rightarrow H_2$

Oxidation : $2Cl^-+2e^-\rightarrow Cl_2$

The balanced chemical reaction will be,

$2NaCl(s)+2H_2O(aq)\rightarrow 2Na^+(aq)+2OH^-(aq)+Cl_2(g)+H_2(g)$

Hence, electrolysis of an aqueous solution of sodium chloride lead to the formation of $Cl_2$ gas.