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Mixture containing aqueous Li+, Na+, K+ ions are electrolysed. cations are discharged at cathode in the order : (easiest at the end)
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The correct answer is:
| Metal | |
| -3.05V | Li |
| -2.71V | Na |
| -2.93V | K |
Higher the value of more preferably the ions is reduced at cathode that is Na+ > K+ > Li+
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