MDCAT Chemistry MCQ #354

A mixture of Ethanal and excess Ethanol is treated with dry HCl gas. What is the structure of the final stable product formed?

MDCAT Chemistry MCQ #354

  1. Question 1

    Q1. A mixture of Ethanal and excess Ethanol is treated with dry HCl gas. What is the structure of the final stable product formed?

    • A) 1-Ethoxyethanol
    • B) 1,1-Diethoxyethane
    • C) Diethyl ether
    • D) Ethyl ethanoate

    Answer: 1,1-Diethoxyethane

    Explanation: Ethanal reacts with dry HCl and excess ethanol to form 1,1-diethoxyethane (an acetal). Hemiacetals are unstable intermediates and usually not the final isolated product.