MDCAT Chemistry MCQ #617

Which leaving group would facilitate the fastest SN1 reaction for a tert-butyl halide due to its stability as an anion?

MDCAT Chemistry MCQ #617

  1. Question 1

    Q1. Which leaving group would facilitate the fastest SN1 reaction for a tert-butyl halide due to its stability as an anion?

    • A) F-
    • B) Cl-
    • C) Br-
    • D) I-

    Answer: I-

    Explanation: Iodide is the best leaving group because it is a very weak base; fluoride is tempting but is a poor leaving group.