MDCAT Chemistry MCQ #71

In a laboratory test to distinguish between two primary alcohols, one sample produces yellow crystals with iodine and NaOH. Name this alcohol.

MDCAT Chemistry MCQ #71

  1. Question 1

    Q1. In a laboratory test to distinguish between two primary alcohols, one sample produces yellow crystals with iodine and NaOH. Name this alcohol.

    • A) Methanol
    • B) Ethanol
    • C) 1-Propanol
    • D) 1-Butanol

    Answer: Ethanol

    Explanation: Ethanol and secondary alcohols containing a methyl group adjacent to the carbinol carbon (CH3-CHOH-) give a positive iodoform test.