Question detail
What is produced at the anode during the electrolysis of an aqueous solution containing sodium chloride?
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. Sodium
- B. Chlorine
- C. Hydrogen
- D. Oxygen
Answer
Chlorine
Explanation
Chlorine is produced at the anode when the corresponding halide ion (chloride) is present in the solution.
Common mistake
Confusing Electrolysis Products
Students often confuse the products of electrolysis of molten ionic compounds with those of aqueous solutions, leading to incorrect predictions about what is produced at the electrodes.
To fix this, students should remember that molten ionic compounds typically produce metals at the cathode and non-metals at the anode, while aqueous solutions can produce hydrogen or oxygen depending on the reactivity of the metal and the presence of halide ions.
Related flashcards
Flashcard 1 of 5
Related practice questions
Question 1 of 5
Choose an answer, get feedback, then move sideways through the set.