Q.

When an aqueous solution of lithium chloride is electrolysed using graphite electrodes

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a

pH of the resulting solution decreases

b

pH of the resulting solution increases

c

pH of the resulting solution remains same

d

pOH of the resulting solution increases.

answer is B.

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Detailed Solution

Ionization of aq.LiCl :At  CathodeH2O is reduced.At AnodeCl- is Oxidised.After the electrolysis is over cell is left with LiOH and solution becomes alkaline. PH increases.
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When an aqueous solution of lithium chloride is electrolysed using graphite electrodes