In DSE level,
A electrolytic cell,
1.)electrolyte:concentrated lead(2) nitrate
electrodes:inert
which cation ion would discharge preferentially at the cathode electrode?
2.)electrolyte:very dilute copper(2) nitrate
electrodes:inert
which cation ion would discharge preferentially at the cathode electrode?
回答後我應該會有補充問題..謝謝~
F.4 Chem electrolysis
2014-06-24 10:31 pm
回答 (1)
2014-06-24 10:54 pm
✔ 最佳答案
1)Pb2+ + 2e- --------> Pb(s)
2)
2H+ + 2e- -----------> H2(g)
收錄日期: 2021-04-15 15:54:01
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