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Question 78

Chlorine is above bromine in group 17 and is more reactive. Which statements correctly apply the halogen-displacement rule? Select all that apply.

  1. Chlorine can displace bromine from bromide solution.Correct answer
  2. Bromine can displace chlorine from chloride solution.
  3. The more reactive halogen performs the displacement.Correct answer
  4. Reactivity ranking is irrelevant to displacement.

Explanation

A more reactive halogen displaces the less reactive member from a solution of its halide ions, so chlorine can release bromine from bromide. Bromine cannot perform the reverse displacement because it ranks below chlorine in reactivity.

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