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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