Question detail

In a displacement reaction, which factor primarily determines whether a reaction will occur?

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

  1. A. The temperature of the reaction
  2. B. The reactivity of the halogens involved
  3. C. The concentration of the halide salt
  4. D. The state of matter of the reactants

Answer

The reactivity of the halogens involved

Explanation

The reactivity of the halogens determines if a more reactive halogen can displace a less reactive halide ion.

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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understanding MCQ 3: between halogens and halide salts. | The… | ExamCompanion