MDCAT Chemistry MCQ #385

In a qualitative analysis lab, a student uses the Iodoform test to distinguish between two isomers. Which pair can be successfully differentiated?

MDCAT Chemistry MCQ #385

  1. Question 1

    Q1. In a qualitative analysis lab, a student uses the Iodoform test to distinguish between two isomers. Which pair can be successfully differentiated?

    • A) 2-Pentanone and 3-Pentanone
    • B) Propanal and Ethanal
    • C) Acetone and Ethyl alcohol
    • D) Benzaldehyde and Acetophenone

    Answer: 2-Pentanone and 3-Pentanone

    Explanation: Iodoform test requires a methyl keto group; 2-pentanone has it while 3-pentanone does not. Option B fails because both are ketones.