IB Chemistry HL 3.2.5 Electrodes in Electrochemical Cells Questions
Use real HL exam questions to assign anodes and cathodes, label electron flow and distinguish cell polarities.
- Syllabus
- First assessment 2025
- Course
- Chemistry HL
- Level
- HL
Exam points
- Assign the anode and cathode and identify oxidation and reduction from the stated electrode reactions in voltaic or electrolytic cells.
- Label a cell diagram with electrode species, electron-flow direction and the relevant electrode processes.
- Distinguish electrode polarity in voltaic versus electrolytic cells while retaining oxidation at the anode and reduction at the cathode.
IB Chemistry HL 3.2.5 Electrodes in Electrochemical Cells Questions question 1
[Maximum number: 1]
Magnesium is a group 2 metal which exists as a number of isotopes and forms many compounds.
Magnesium chloride can be electrolysed.
Identify the type of reaction occurring at the cathode (negative electrode).
reduction
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