Which of the following could be used to synthesize 2-iodobutane? A)CH₃CH₂CH$\equiv$CH₂ + I₂(aq)$\to$ B)CH₃CH₂CHOHCH₃ + HI $\to$ C)CH₃CH₂C$\equiv$CH + HI $\to$ D)CH₃CH₂C$\equiv$CH + I₂ $\to$ E)None of these choices.

Question

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The reaction between 1-chlorobutane and HI will result in 2-iodobutane through a substitution reaction in which an iodide ion replaces the chloride ion. Option A involves a reaction with fluoride ions, which would not result in the desired product. Option C involves a reaction with an acetylene, which would not lead to the desired product. Option D involves a reaction with iodide ions, but these are not shown in the correct form (as a source of iodide ions in solution). Therefore, option B is the best choice for synthesizing 2-iodobutane.

Which of the Following Could Be Used to Synthesize 2-Iodobutane ≡\equiv≡

Which of the Following Could Be Used to Synthesize 2-Iodobutane $\equiv$