MDCAT Chemistry MCQ #593

In the synthesis of alkyl chlorides from alcohols, which reagent is preferred because its byproducts are gaseous and easily removed?

MDCAT Chemistry MCQ #593

  1. Question 1

    Q1. In the synthesis of alkyl chlorides from alcohols, which reagent is preferred because its byproducts are gaseous and easily removed?

    • A) PCl3
    • B) SOCl2 / Pyridine
    • C) PCl5
    • D) HCl / ZnCl2

    Answer: SOCl2 / Pyridine

    Explanation: Thionyl chloride (SOCl2) is preferred because its byproducts (SO2 and HCl) are gases, leaving the pure alkyl halide behind.