Multiple choice

Among the following ____________ is an heterocyclic acetal.

  1. dimethoxymethane

  2. dioxolane

  3. metaldehyde

  4. paraldehyde
Reveal answer Fill a bubble to check yourself
B Correct answer
Explanation

Dioxolane is an heterocyclic acetal. It is related to tetrahydrofuran by interchange of one oxygen for a CH2 group. The corresponding saturated 6-membered C4O2 rings are called dioxanes. The isomeric 1,2-dioxolane (wherein the two oxygen centers are adjacent) is an peroxide. 1,3-dioxolane is used as a solvent and as a comonomer in polyacetals.

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