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  1. Alcohol | Definition, Formula, & Facts | Britannica

    Oct 18, 2025 · This article covers the structure and classification, physical properties, commercial importance, sources, and reactions of alcohols. For more information about closely related …

  2. Structure and classification of alcohols - Britannica

    Oct 18, 2025 · Alcohols are referred to as allylic or benzylic if the hydroxyl group is bonded to an allylic carbon atom (adjacent to a C=C double bond) or a benzylic carbon atom (next to a …

  3. Alcohol - Boiling Point, Solubility, Flammability | Britannica

    Oct 18, 2025 · Alcohol - Boiling Point, Solubility, Flammability: Most of the common alcohols are colourless liquids at room temperature. Methyl alcohol, ethyl alcohol, and isopropyl alcohol are …

  4. Alcohol - Reactions, Chemistry, Uses | Britannica

    Oct 18, 2025 · The most common reactions of alcohols can be classified as oxidation, dehydration, substitution, esterification, and reactions of alkoxides. Alcohols may be oxidized …

  5. Alcohol - Ethanol, Methanol, Propanol | Britannica

    Oct 18, 2025 · Alcohol - Ethanol, Methanol, Propanol: Methanol (methyl alcohol) was originally produced by heating wood chips in the absence of air. Some of the carbohydrates in the wood …

  6. Characteristics of alcohol | Britannica

    Many alcohols occur naturally and are valuable intermediates in the synthesis of other compounds because of the characteristic chemical reactions of the hydroxyl group.

  7. Alcohol - Fermentation, Synthesis, Distillation | Britannica

    Oct 18, 2025 · A wide variety of alcohols can be synthesized by Grignard additions. A Grignard reagent adds to formaldehyde to give a primary alcohol with one additional carbon atom, to an …

  8. Isopropyl alcohol | Uses, Structure, & Formula | Britannica

    Oct 9, 2025 · One of the most common members of the alcohol family of organic compounds and the first commercial synthetic alcohol.

  9. Chemical compound - Alcohols, Phenols, Structure | Britannica

    Sep 26, 2025 · Both alcohols and phenols are widespread in nature, with alcohols being especially ubiquitous. The hydroxyl group of alcohols and phenols is responsible for an …

  10. Great Awakening | Definition, Summary, Key Figures, Significance ...

    Oct 10, 2025 · Great Awakening, religious revival in the British American colonies between about 1720 and the 1740s. It was part of the religious ferment that swept western Europe in the latter …