Question detail
What occurs during a displacement reaction between a halogen and a halide salt?
Try the question, check the answer, then read the explanation to understand the curriculum point.
At a glance
Question
Type
exam_style
Style
Topic
The periodic table
Question
What occurs during a displacement reaction between a halogen and a halide salt?
Answer
In a displacement reaction, a more reactive halogen will replace a less reactive halogen in a halide salt. For example, if chlorine is added to a solution of potassium bromide, chlorine will displace bromine, forming potassium chloride and bromine.
Explanation
This answer is strong because it clearly describes the process of displacement and provides a specific example. The question tests the understanding of reactivity trends among halogens and their ability to displace each other in reactions.
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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