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2 lut 2023 · Phenol are hydroxy derivatives of aromatic hydrocarbons in which the hydroxy group is directly attached to the carbon atom of the aromatic ring. They are represented by the general formula Ar-OH, where Ar may be phenyl, substituted phenyl, or some other aryl group like naphthyl.
Phenol Test. A ferric chloride solution is a test for phenols, as they form intensely colored complexes with \(\ce{Fe^{3+}}\) (often dark blue). The actual structure of these complexes is debated,\(^{15}\) but may be of the general form in Figure 6.69. Some carbonyl compounds with high enol content can give false positives with this test.
17.9 Phenols and Their Uses - Organic Chemistry | OpenStax. Highlights. The outbreak of World War I provided a stimulus for the industrial preparation of large amounts of synthetic phenol, which was needed as a raw material to manufacture the explosive, picric acid (2,4,6-trinitrophenol).
Phenol is a component in liquid–liquid phenol–chloroform extraction technique used in molecular biology for obtaining nucleic acids from tissues or cell culture samples. Depending on the pH of the solution either DNA or RNA can be extracted.
Phenols are essential compounds in laboratory settings due to their diverse applications. From their role as antiseptics and disinfectants to their significance in organic synthesis, extraction processes, and analytical chemistry, phenols have proven invaluable in scientific research and experimentation.
15 sty 2023 · Phenols are widely used as antiseptics (substances that kill microorganisms on living tissue) and as disinfectants (substances intended to kill microorganisms on inanimate objects such as furniture or floors).
explain why the boiling points of alcohols and phenols are much higher than those of alkanes, ethers, etc., of similar molecular mass. discuss the factors that are believed to determine the acidity of alcohols and phenols.
