Q.
After the electrolysis of aqueous solution of NaCl using Pt electrodes, the pH of the solution
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a
increases
b
decreases
c
remains constant
d
becomes zero
answer is A.
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Detailed Solution
At CathodeH2O under goes reduction.At AnodeCl- undergoes oxidation.In the vessel Na+ and OH- reacts with each other and forms NaOH,which is a strong base. PH increases.
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