MDCAT Chemistry MCQ #686

In a qualitative analysis test, an unknown alkyl halide is treated with aqueous silver nitrate. The formation of which observation confirms it is an iodide?

MDCAT Chemistry MCQ #686

  1. Question 1

    Q1. In a qualitative analysis test, an unknown alkyl halide is treated with aqueous silver nitrate. The formation of which observation confirms it is an iodide?

    • A) White precipitate
    • B) Pale yellow precipitate
    • C) Red precipitate
    • D) Yellow precipitate

    Answer: Yellow precipitate

    Explanation: Alkyl iodides yield a yellow precipitate with silver nitrate; chlorides give white and bromides give pale yellow. White is the most common error.