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anhydride synonyms, anhydride pronunciation, anhydride translation, English dictionary definition of anhydride. The acid expression in the nomenclature of its original carboxylic acid must be replaced by the term anhydride, meaning"without water", without altering the rest of the name of the molecule formed. Acid anhydrides can be considered as the derivatives of monocarboxylic acids that contains a O − C O − R {\rm{O - CO - R}} O − C O − R group which replaces one hydroxyl group from the carboxylic acid. What does acid-anhydrides mean? Definition of acid anhydride 1) The oxide of a nonmetal that reacts with water to form an acid. Acid anhydrides are non-metal oxides that can react with water to form acidic solutions. In most of the cases, the acid anhydride can be represented with the shortened general formula . A basic anhydride or base anhydride is a metal oxide that forms a basic solution when reacted with water. (noun) ‘Acid anhydride bonds have a high DG 0’ for hydrolysis imparting upon them a high potential to transfer the phosphates to other molecules.’ ‘The product formed is termed a mixed anhydride because the two groups on either side of the (OC-O-CO) linkage are different.’ Acid anhydride definition: a compound that has been formed from another compound by dehydration | Meaning, pronunciation, translations and examples Plural form of acid anhydride. An acid anhydride is what you get if you remove a molecule of water from two carboxylic acid -COOH groups. n. A chemical compound formed from another, often an acid, by the removal of water. In inorganic chemistry, an acid anhydride … (C H 3 C O) 2 O + H 2 O → 2 C H 3 C O O H 2) Compound produced by dehydration of a carbonic acid; general formula is R--C--O--C--R Define anhydride. Acid Anhydride vs Basic Anhydride: Acid anhydrides are chemical compounds known as oxides that are formed by the removal of water from an acid. An acid anhydride is a type of chemical compound derived by the removal of water molecules from an acid.. Chemical properties of acid anhydride - definition. These compounds can also be generated starting from one or two acyl groups from other organic acids, such as phosphonic acid or sulfonic acid. 1 An oxide which combines with water to form an acid. Acid anhydrides are slowly hydrolysed by water. Organic acid anhydrides often form when one equivalent of water is removed from two equivalents of an organic acid in a dehydration reaction.. For example, if you took two ethanoic acid molecules and removed a molecule of water between them you would get the acid anhydride, ethanoic anhydride (old name: acetic anhydride). 2 Any of a class of organic compounds whose molecule contains two acyl groups linked by an oxygen atom (formally derived by the combination of two carboxylic acid groups with the loss of a molecule of water). Chemistry Of Acid Anhydrides Definition. In organic chemistry, organic acid anhydrides contain the functional group R(CO)O(CO)R'. Acid anhydrides are preferred to acyl chlorides for carrying out acylation reactions in alcohols, phenols, amines. Acid anhydrides are less reactive than acid chlorides. Important acid anhydride reactions include the reaction of …

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