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(C) In an aqueous solution of sodium chloride $(NaCl)$,the ions present are $Na^{\oplus}$,$Cl^{\Theta}$,$H^{\oplus}$,and $OH^{\Theta}$.During electrol

Vedclass · Accepted Answer

$H^{\oplus}, Cl^{\Theta}$

Vedclass · Answer

(C) In an aqueous solution of sodium chloride $(NaCl)$,the ions present are $Na^{\oplus}$,$Cl^{\Theta}$,$H^{\oplus}$,and $OH^{\Theta}$.During electrolysis,the ions with lower discharge potential are preferentially discharged at the electrodes.At the cathode,$H^{\oplus}$ ions have a lower discharge potential than $Na^{\oplus}$ ions,so $H^{\oplus}$ ions are reduced to $H_2$ gas.At the anode,$Cl^{\Theta}$ ions are preferentially discharged over $OH^{\Theta}$ ions to form $Cl_2$ gas.Therefore,the ions discharged at the electrodes are $H^{\oplus}$ and $Cl^{\Theta}$.

When an aqueous solution of sodium chloride is electrolysed using platinum electrodes,the ions discharged at electrodes are

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