Ethyl alcohol structure

  1. 6.1: Alcohols
  2. 11.3 Alcohols, Acids, and Esters
  3. Structure of Alcohol: Classification, Formula
  4. 9.5: Alcohols, Phenols, and Ethers


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6.1: Alcohols

\( \newcommand\) • • • • • • • Nomenclature of Alcohols Alcohols with one to four carbon atoms are frequently called by common names, in which the name of the alkyl group is followed by the word alcohol: According to the International Union of Pure and Applied Chemistry (IUPAC), alcohols are named by changing the ending of the parent alkane name to - ol. Here are some basic IUPAC rules for naming alcohols: • The longest continuous chain (LCC) of carbon atoms containing the OH group is taken as the parent compound—an alkane with the same number of carbon atoms. The chain is numbered from the end nearest the OH group. • The number that indicates the position of the OH group is prefixed to the name of the parent hydrocarbon, and the - e ending of the parent alkane is replaced by the suffix - ol . (In cyclic alcohols, the carbon atom bearing the OH group is designated C1, but the 1 is not used in the name.) Substituents are named and numbered as in alkanes. • If more than one OH group appears in the same molecule (polyhydroxy alcohols), suffixes such as - diol and - triol are used. In these cases, the - e ending of the parent alkane is retained. Figure \(\PageIndex\) shows some examples of the application of these rules. The carbon atoms are numbered from the end closest to the OH group. That fixes the two methyl (CH 3) groups at the sixth and eighth positions. The name is 6,8-dimethyl-3-decanol (not 3,5-dimethyl-8-decanol). • Five carbon atoms in the LCC make the compound a d...

11.3 Alcohols, Acids, and Esters

Alcohols An alcohol is an organic compound with a hydroxyl (OH) functional group on an aliphatic carbon atom. Because OH is the functional group of all alcohols, we often represent alcohols by the general formula ROH, where R is an alkyl group. Alcohols are common in nature. Most people are familiar with ethyl alcohol (ethanol), the active ingredient in alcoholic beverages, but this compound is only one of a family of organic compounds known as alcohols. The family also includes such familiar substances as cholesterol and the carbohydrates. Methanol (CH 3OH) and ethanol (CH 3CH 2OH) are the first two members of the homologous series of alcohols. Alcohols with one to four carbon atoms are frequently called by common names, in which the name of the alkyl group is followed by the word alcohol: According to the International Union of Pure and Applied Chemistry (IUPAC), alcohols are named by changing the ending of the parent alkane name to - ol. Alcohols can be considered derivatives of water (H 2O; also written as HOH). Like the H–O–H bond in water, the R–O–H bond is bent, and alcohol molecules are polar. This relationship is particularly apparent in small molecules and reflected in the physical and chemical properties of alcohols with low molar mass. Replacing a hydrogen atom from an alkane with an OH group allows the molecules to associate through hydrogen bonding (Figure \(\PageIndex\): Hydrogen Bonding between Methanol Molecules and Water Molecules. Hydrogen bonding betwee...

Structure of Alcohol: Classification, Formula

Structure of Alcohol: Do you know what the main component of a hand sanitiser is? What solution do the doctors use to clean the area before giving a jab? It is alcohol. But what does alcohol look like? What is the functional group structure of alcohol? Alcohols are organic compounds attached to a saturated carbon by a hydroxyl group (-OH); that is, a carbon attached to four atoms by simple bonds (without double or triple bonds). The structural formula for alcohol — the vast and versatile family of compounds — is ROH. To be considered alcohol in the strictly chemical sense, the OH group should be the most reactive molecular structure. Among the many molecules with OH groups, it is essential to be able to confirm which one is alcohol. In this article, let us learn everything about the structure of alcohol, alcohol formula and alcohol functional groups. What isAlcohol? Alcohols are a special class of organic compounds in which the hydrogen atom of an aliphatic carbon is replaced with the hydroxyl group \(\left( = 1,2,3..\) Structural Formula for Alcohol In the table below we have mentioned the structural formula for alcohol. The example of homologous series in alcohol can be methanol, ethanol, propanol, and butanol with chemical formulas of \( \right),\) which is larger than the hydrogen atom of water There are three types of bonds in alcohol. \(\left( \right)\) sigma bond. This is diagrammatically represented as below. Alcohols fall into different classes depending on how t...

9.5: Alcohols, Phenols, and Ethers

\( \newcommand\) • • • • • • • • • • • • • • • • • • • • • • • Learning Objectives • Describe the structure and properties of alcohols, ethers and phenols. • Know the name and uses of simple alcohols, phenols and ethers. An alcohol is an organic compound with a hydroxyl (OH) functional group on an aliphatic carbon atom. Because OH is the functional group of all alcohols, we often represent alcohols by the general formula ROH, where R is an alkyl group. Alcohols are common in nature. Most people are familiar with ethyl alcohol (ethanol), the active ingredient in alcoholic beverages, but this compound is only one of a family of organic compounds known as alcohols. The family also includes such familiar substances as cholesterol and the carbohydrates. Methanol (CH 3OH) and ethanol (CH 3CH 2OH) are the first two members of the homologous series of alcohols. Nomenclature of Alcohols Alcohols with one to four carbon atoms are frequently called by common names, in which the name of the alkyl group is followed by the word alcohol: Figure \(\PageIndex\):left to right: methyl alcohol; ethyl alcohol; propyl alcohol; isopropyl alcohol According to the International Union of Pure and Applied Chemistry (IUPAC), the name of an alcohol comes from the hydrocarbon from which it was derived. The final -e in the name of the hydrocarbon is replaced by -ol, and the carbon atom to which the –OH group is bonded is indicated by a number placed before the name. Solution The carbon chain contains fi...