Question detail
Which of the following halogens can displace chloride ions from 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
The periodic table
Question
- A. Fluorine
- B. Bromine
- C. Iodine
- D. Astatine
Answer
Fluorine
Explanation
Fluorine is the most reactive halogen and can displace chloride ions from sodium chloride.
Common mistake
Misunderstanding Displacement Reactions
Students often think that halogens can displace any halide salt regardless of their reactivity.
Remember that a more reactive halogen can displace a less reactive halide from its salt, while a less reactive halogen cannot displace a more reactive one.
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