Which of these statements about halogen displacement reactions is true? Choose the correct answer.

A. A more reactive halogen can displace a less reactive halogen ion from their salt in solution.

B. Halogen displacement reactions are carried out by mixing an acid with a solution of a halogen salt.

C. You can recognize a halogen displacement reaction if you observe the solution fizzing during the reaction.

D. It is the halogen ion that provides the color to the solution.

The accurate statements about halogen displacement reactions involve the reactivity series, observations during reactions, and the color change in solutions.

Explanation:

The correct statement about halogen displacement reaction:

A more reactive Halogen can displace a less reactive halogen ion from their salt in solution. This is based on the reactivity series where a more reactive halogen can displace a less reactive halogen from its compound.
You can recognize a halogen displacement reaction by the solution fizzing during the reaction. Fizzing often indicates a chemical reaction is happening.
It is not the halogen ion that provides the color to the solution, but it is the resulting compound after the reaction that may exhibit color.

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