Alcohol | Definition, Formula, & Facts | Britannica
WEB4 days ago · Alcohol, any of a class of organic compounds with one or more hydroxyl groups attached to a carbon atom of an alkyl group. Alcohols may be considered as organic derivatives of water (H2O) in which a hydrogen atom has been replaced by an alkyl group. Examples include ethanol, methanol, and isopropyl alcohol.
Alcohol (chemistry) - Wikipedia
WEBIn chemistry, an alcohol is a type of organic compound that carries at least one hydroxyl ( −OH) functional group bound to a saturated carbon atom. [2] [3] Alcohols range from the simple, like methanol and ethanol, to complex, like sugar alcohols and cholesterol.
14.2: Alcohols - Nomenclature and Classification
WEBSep 15, 2022 · 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.
Alcohols - Chemistry LibreTexts
WEBJan 23, 2023 · Alcohols are one of the most important molecules in organic chemistry. They can be prepared from many different types of compounds, and they can be converted into many different types of compounds. Alcohols are molecules containing the hydroxy functional group (-OH) that is bonded to the carbon atom of an alkyl or substituted alkyl.
Alcohols (video) | Khan Academy
WEBAlcohols, like water, can show either acidic or basic properties at the -OH group. With a pKa of around 16-19, they are, in general, slightly weaker acids than water, but they are still able to react with strong bases such as sodium hydride or reactive metals such as sodium.
10.1 Structure and Classification of Alcohols - Chemistry …
WEBAlcohols are compounds in which one or more hydrogen atoms in an alkane have been replaced by an -OH group. Alcohols fall into different classes depending on how the -OH group is positioned on the chain of carbon atoms. There are some chemical differences between the various types. Primary alcohols.
an introduction to alcohols - chemguide
WEBINTRODUCING ALCOHOLS. This page explains what alcohols are, and what the difference is between primary, secondary and tertiary alcohols. It looks in some detail at their simple physical properties such as solubility and boiling points. Details of the chemical reactions of alcohols are described on separate pages.
Structure and classification of alcohols - Britannica
WEBStructure and classification of alcohols. Similar to water, an alcohol can be pictured as having an sp3 hybridized tetrahedral oxygen atom with nonbonding pairs of electrons occupying two of the four sp3 hybrid orbitals. ( See chemical bonding for a discussion of hybrid orbitals.)
Alcohol - World Health Organization (WHO)
WEBMay 9, 2022 · Overview. Alcohol is a psychoactive substance with dependence-producing properties that has been widely used in many cultures for centuries. The harmful use of alcohol causes a high burden of disease and has …
Characteristics of alcohol | Britannica
WEBalcohol, Any of a class of common organic compounds that contain one or more hydroxyl groups (―OH) attached to one or more of the carbon atoms in a hydrocarbon chain. The number of other substituent groups (R) on that carbon atom make the alcohol a primary (RCH 2 OH), secondary (R 2 CHOH), or tertiary (R 3 COH) alcohol.
30 Facts About Alcohol, Plus 5 Myths: Statistics and More - Healthline
WEBApr 16, 2018 · The effects. associated with drinking occur when ethanol enters your bloodstream and passes through the membranes of cells in your brain, heart, and other organs. Research. suggests that rates of...
Alcohols - Nomenclature and Properties – Master Organic …
WEBSep 17, 2014 · Alcohols are organic molecules containing the “hydroxyl” functional group, “OH” directly bonded to carbon. The carbon directly attached to OH is technically called the “carbinol” carbon, although this nomenclature is often not introduced in introductory classes.
Alcohols, ethers, epoxides, sulfides - Khan Academy
WEBScience. Organic chemistry. Unit 7: Alcohols, ethers, epoxides, sulfides. About this unit. Alcohol and thiol groups are important functional groups for applications ranging from enzyme reactions to making flexible contact lenses. We will be reviewing naming oxygen and sulfur containing compounds.
14.3: Physical Properties of Alcohols - Chemistry LibreTexts
WEBSep 15, 2022 · Alcohols can be considered derivatives of water (H 2 O; 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.
Alcohols: Alcohols- Preparation, Classification and Uses of Alcohols ...
WEBAlcohols. Alcohols are the compounds of the general formula R – OH, where R is an alkyl or a substituted alkyl group. Thus, alcohols are the derivatives of alkanes in which one or more H atoms are replaced by -OH. Alcohols are very important industrial chemicals. Ethanol is widely used as an antiseptic in the form of a rectified spirit.
National Institute on Alcohol Abuse and Alcoholism (NIAAA)
WEBAlcohol's Effects on the Body. Spanish / En español. Drinking too much – on a single occasion or over time – can take a serious toll on your health. Here’s how alcohol can affect your body: Brain: Alcohol interferes with the brain’s communication pathways, and can affect the way the brain looks and works.
Alcohol Use Basics | CDC
WEBJul 5, 2022 · Alcohol Use Basics. Frequently Asked Questions. Introduction to alcohol, drinking patterns, excessive alcohol use... Alcohol Use and Your Health. Excessive alcohol use can lead to increased risk of health problems such as injuries, violence, liver diseases, and cancer. Alcohol and Caffeine. Dangers of mixing alcohol with caffeine and energy …
Alcohol - Boiling Point, Solubility, Flammability | Britannica
WEBAlcohol - Boiling Point, Solubility, Flammability | Britannica. Contents. Home Science Chemistry. Physical properties of alcohols. Most of the common alcohols are colourless liquids at room temperature. Methyl alcohol, ethyl alcohol, and isopropyl alcohol are free-flowing liquids with fruity odours.
Alcohol - Wikipedia
WEBLook up alcohol in Wiktionary, the free dictionary. Alcohol most commonly refers to: Alcohol (chemistry), a class of compounds. Ethanol, one of several alcohols, commonly known as alcohol in everyday life. Alcohol (drug), intoxicant found in alcoholic beverages.
Types of Alcohols - Primary, Secondary & Tertiary Alcohols
WEBRecommended Videos. 6,051. Let us study in brief about the types of alcohols. 1. Primary Alcohols. Primary alcohols are those alcohols where the carbon atom of the hydroxyl group (OH) is attached to only one single alkyl group. Some examples of these primary alcohols include Methanol (propanol), ethanol, etc.
13.1: Introduction to Structure and Synthesis of Alcohols
WEBAlcohols. Molecules of alcohols contain one or more hydroxyl groups (OH groups) substituted for hydrogen atoms along the carbon chain. The structure of the simplest alcohol, methanol (methyl alcohol), can be derived from that of methane by putting an OH in place of one of the H’s:
Alcohol Definition & Meaning - Merriam-Webster
WEBnoun. al· co· hol ˈal-kə-ˌhȯl. Synonyms of alcohol. 1. a. : ethanol especially when considered as the intoxicating agent in fermented and distilled liquors. b. : drink (such as whiskey or beer) containing ethanol. c. : a mixture of ethanol and water that is usually 95 percent ethanol. 2.
OPLS/2020 Force Field for Unsaturated Hydrocarbons, Alcohols, …
WEBDec 21, 2023 · The OPLS all-atom force field was updated and applied to modeling unsaturated hydrocarbons, alcohols, and ethers. Testing has included gas-phase conformational energetics, properties of pure liquids, and free energies of hydration. Monte Carlo statistical mechanics (MC) calculations were used to model 60 liquids. In addition, …
Organocatalyzed Asymmetric Conjugate Addition of Alcohols to β ...
WEBChiral secondary alcohols, serving as essential structural motifs, hold significant potential for diverse applications. The exploration of effective synthetic strategies toward these compounds is both attractive and challenging. Herein, we present an asymmetric oxa-Michael reaction involving aliphatic alcohols as nucleophiles and β-fluoroalkyl ...
18.12: Alcohols - Chemistry LibreTexts
WEBJul 26, 2022 · 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.
Photoredox Catalytic Deoxygenative Divergent Functionalizations …
WEBIn this work, we demonstrate an NHC-mediated photoredox catalytic protocol that allows deoxygenative functionalization of a series of 1°,2°, and 3° alcohols with some electron-deficient radical acceptors, whereas, the in situ generated alcohol-NHC adducts could be converted into the alkyl radicals that were trapped by the sulfone-type electrophiles and …
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