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  4. An aqueous solution of CuSO4 is subjected to electrolysis using inert electrodes. The pH of the solution will

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Q. An aqueous solution of CuSO4 is subjected to electrolysis using inert electrodes. The pH of the solution will

KCETKCET 2019Electrochemistry

Solution:

$At \,cathode : \quad Cu_{\left(aq\right)}^{2+}+2e^{-} \to Cu_{\left(s\right)}$
$At \,anode :\quad2H_{2}O \to O_{2} +4H^{+}+4e^{-}$
Production of $H^{+}$ ions will decrease pH.