anion catalysis

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• catalysis — catalytic /kat l it ik/, adj., n. catalytical, adj. catalytically, adv. /keuh tal euh sis/, n., pl. catalyses / seez /. 1. Chem. the causing or accelerating of a chemical change by the addition of a catalyst. 2. an action between two or more… …   Universalium

• Enzyme catalysis — is the catalysis of chemical reactions by specialized proteins known as enzymes. Catalysis of biochemical reactions in the cell is vital due to the very low reaction rates of the uncatalysed reactions. The mechanism of enzyme catalysis is similar …   Wikipedia

• Nitrile anion — Nitrile anions are nitriles lacking a proton at the position α to the nitrile group. They undergo nucleophilic addition and substitution reactions with various electrophiles.[1] Although nitrile anions are functionally similar to enolates, the… …   Wikipedia

• acid–base reaction — ▪ chemistry Introduction       a type of chemical process typified by the exchange of one or more hydrogen ions, H+, between species that may be neutral (molecules, such as water, H2O; or acetic acid, CH3CO2H) or electrically charged (ions, such… …   Universalium

• Phosphotungstic acid — Chembox new Name = Phosphotungstic acid ImageFile = Phosphotungstate 3D polyhedra.png ImageName = Structure of the phosphotungstate anion OtherNames = PTA, TPA, tungstophosphoric acid Section1 = Chembox Identifiers CASNo = 12067 99 1 Section2 =… …   Wikipedia

• Acid — This article is about acids in chemistry. For the drug, see Lysergic acid diethylamide. For other uses, see Acid (disambiguation). Acidity redirects here. For the novelette, see Acidity (Novelette). Acids and Bases …   Wikipedia

• Ion — Cation and Anion redirect here. For the particle physics/quantum computing concept, see Anyon. For other uses, see Ion (disambiguation). Hydrogen atom (center) contains a single proton and a single electron. Removal of the electron gives a cation …   Wikipedia

• coordination compound — Chem. complex (def. 10). Also called coordination complex. * * * ▪ chemistry Introduction  any of a class of substances with chemical structures in which a central metal atom is surrounded by nonmetal atoms or groups of atoms, called ligands… …   Universalium

• Cluster chemistry — In chemistry, a cluster is an ensemble of bound atoms intermediate in size between a molecule and a bulk solid. Clusters exist of diverse stoichiometries and nuclearities. For example, carbon and boron atoms form fullerene and borane clusters,… …   Wikipedia

• Persistent carbene — A stable carbene: isolated 1,3 dimesitylimidazol 2 ylidene in a Schlenk flask (stir bar also present). A persistent carbene (also known as stable carbene or Arduengo carbene) is a type of carbene demonstrating particular stability. The best known …   Wikipedia

• Metal oxide adhesion — The strength of metal oxide adhesion effectively determines the wetting of the metal oxide interface. The strength of this adhesion is important, for instance, in production of light bulbs and fiber matrix composites that depend on the… …   Wikipedia