**Swartz reaction** prepares:
AAlkyl iodides from alkyl chlorides
BAlkyl fluorides from alkyl chlorides/bromides using AgF, Hg₂F₂, AsF₃ or SbF₃
CAryl halides from arenes
DAlkyl bromides from alcohols
Answer & Solution
Correct answer: B. Alkyl fluorides from alkyl chlorides/bromides using AgF, Hg₂F₂, AsF₃ or SbF₃
Swartz: R-Cl + AgF ⟶ R-F + AgCl. Special inorganic fluorides used because direct F₂ on hydrocarbons is too violent. Useful for making CFCs and other fluorinated compounds.
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