Ionic Theory 2
CHEMISTRY SSS2 Third Term
WEEK 2
Ionic Theory 2
Performance objectives
Students should be able to:
- Rank and explain the position of ions in the electrochemical series.
- Explain the factors responsible preferential discharge of ions.
Content
Position of ions in the electrochemical series
The electrochemical series (see below) is an orderly arrangement of metals and their ions based on how well the ions accept electrons and become reduced.
The lower the position of metals and their ions in the series, the more likely their ions are reduced at the cathode, hence the more the preference for them been discharged.
Notice that during electrolysis, reduction occurs at the cathode.
The Electrochemical Series
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- Chapters 12
- Category SSS2
- Author ClassNotes Edu
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