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Acetic anhydride, or ethanoic anhydride, is the chemical compound with the formula (CH 3 CO) 2 O.Commonly abbreviated Ac 2 O, it is the simplest isolable anhydride of a carboxylic acid and is widely used as a reagent in organic synthesis.
An acetate is a salt formed by the combination of acetic acid with a base (e.g. alkaline, earthy, metallic, nonmetallic or radical base). "Acetate" also describes the conjugate base or ion (specifically, the negatively charged ion called an anion) typically found in aqueous solution and written with the chemical formula C
To manufacture anhydrous sodium acetate industrially, the Niacet Process is used. Sodium metal ingots are extruded through a die to form a ribbon of sodium metal, usually under an inert gas atmosphere such as N 2 then immersed in anhydrous acetic acid. 2 CH 3 COOH + 2 Na →2 CH 3 COONa + H 2. The hydrogen gas is normally a valuable byproduct.
The formal charge of any atom in a molecule can be calculated by the following equation: = where V is the number of valence electrons of the neutral atom in isolation (in its ground state); L is the number of non-bonding valence electrons assigned to this atom in the Lewis structure of the molecule; and B is the total number of electrons shared ...
The reaction consists of ethylene and acetic acid with oxygen over a palladium catalyst, conducted in the gas phase. [49] 2 H 3 C−COOH + 2 C 2 H 4 + O 2 → 2 H 3 C−CO−O−CH=CH 2 + 2 H 2 O. Vinyl acetate can be polymerised to polyvinyl acetate or other polymers, which are components in paints and adhesives. [49]
Iron powder reacts with acetic acid to give the ferrous acetate, with evolution of hydrogen gas: [5] [1] Fe + 2 CH 3 CO 2 H → Fe(CH 3 CO 2) 2 + H 2. Reaction of scrap iron with acetic acid affords a brown mixture of various iron(II) and iron(III) acetates that are used in dyeing. [6] It can also be made from the insoluble, olive green, Iron ...
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Here, (NH 3) 6 indicates that the ion contains six ammine groups (NH 3) bonded to cobalt, and [ ] encloses the entire formula of the ion with charge +3. [ further explanation needed ] This is strictly optional; a chemical formula is valid with or without ionization information, and Hexamminecobalt(III) chloride may be written as [Co(NH 3 ) 6 ...