Question detail
Explain why ions are discharged at electrodes during electrolysis.
Try the question, check the answer, then read the explanation to understand the curriculum point.
At a glance
Question
Type
exam_style
Style
Topic
Electrolysis
Question
Explain why ions are discharged at electrodes during electrolysis.
Answer
Ions are discharged at electrodes during electrolysis because they are attracted to the electrodes of opposite charge. Positive ions move towards the cathode (negative electrode) to gain electrons, while negative ions move towards the anode (positive electrode) to lose electrons. This movement allows the ions to undergo chemical reactions, resulting in the formation of new substances.
Explanation
This answer demonstrates an understanding of the fundamental principles of electrolysis, specifically the behavior of ions in an electric field. It tests the student's ability to explain the process and the role of electrodes in the discharge of ions.
Common mistake
Misunderstanding Ion Discharge
Students often think that ions are discharged at electrodes simply because they are present in the electrolyte, without understanding the role of electron transfer.
Emphasize that ions are discharged at electrodes during electrolysis due to the gain or loss of electrons, which allows them to become neutral atoms or molecules.
Related flashcards
Flashcard 1 of 5
Related practice questions
Question 1 of 5
Choose an answer, get feedback, then move sideways through the set.