MDCAT Chemistry MCQ #333

A student evaporates an aqueous solution of formaldehyde. Which solid polymer is formed, contrasting with the liquid trimer formed by acetaldehyde?

MDCAT Chemistry MCQ #333

  1. Question 1

    Q1. A student evaporates an aqueous solution of formaldehyde. Which solid polymer is formed, contrasting with the liquid trimer formed by acetaldehyde?

    • A) Metaformaldehyde
    • B) Paraldehyde
    • C) Bakelite
    • D) Formalin

    Answer: Metaformaldehyde

    Explanation: Metaformaldehyde (trioxane) is a white solid polymer formed when a 40% aqueous solution of formaldehyde is evaporated to dryness.