Learning objective
Predict that chlorine, bromine or iodine is produced at the anode when the corresponding halide ion is present.
Read the explanation, check the common trap, then practise with flashcards and questions.
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Topic
Electrolysis
Subtopic
Electrolysis of aqueous solutions
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Quick explanation
Predict that chlorine, bromine or iodine is produced at the anode when the corresponding halide ion is present
- This point belongs to Electrolysis, especially Electrolysis of aqueous solutions.
- You need to be able to predict that chlorine, bromine or iodine is produced at the anode when the corresponding halide ion is present.
- The key ideas to know are iodine, predict, and chlorine.
- Use the linked flashcards and practice questions to check recall, then practise applying the idea in an exam-style answer.
Key concepts
Why it matters
This objective helps connect Electrolysis of aqueous solutions to exam-style questions, flashcards, and revision notes for Electrolysis.
Quick student answer
What should you know about predict that chlorine, bromine or iodine is produced at the anode when the corresponding halide ion is present?
Direct answer
In Chemistry, this page helps you answer questions about predict that chlorine, bromine or iodine is produced at the anode when the corresponding halide ion is present within Electrolysis. Focus on the key process, correct scientific terms, and how the idea links to exam-style questions. Key terms to check are halide ion and anode.
Key terms
- halide ion: An ion derived from a halogen that can participate in electrolysis, producing halogen gas at the anode.
- anode: The positive electrode in electrolysis where oxidation occurs and halide ions are discharged to form halogen gas.
Common trap
Confusing Halide Products: Remember that when halide ions are present, the corresponding halogen (chlorine, bromine, or iodine) is produced at the anode instead of oxygen.
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Revision notestopic notes
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Open revision notesRelated learning objectives
- Define electrolysis as the splitting up of an ionic compound using electricity.
The process of electrolysis
- Describe an electrolyte as a liquid that contains free-moving ions.
The process of electrolysis
- Explain why ionic compounds must be molten or dissolved in water for electrolysis to occur.
The process of electrolysis
- Identify the positive electrode as the anode.
The process of electrolysis
- Identify the negative electrode as the cathode.
The process of electrolysis