Question detail
Which of the following statements is true regarding the electrolysis of an aqueous solution containing bromide ions?
Try the question, check the answer, then read the explanation to understand the curriculum point.
At a glance
MCQ
Type
practice
Style
Topic
Electrolysis
Question
- A. Bromine is produced at the anode.
- B. Oxygen is produced at the anode.
- C. Hydrogen is produced at the anode.
- D. Bromine is produced at the cathode.
Answer
Bromine is produced at the anode.
Explanation
During electrolysis, bromine is produced at the anode when bromide ions are present in the solution.
Common mistake
Confusing Halide Products
Students often predict that oxygen is produced at the anode instead of chlorine, bromine, or iodine when halide ions are present.
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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