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Potassium arsenite (KAsO 2) is an inorganic compound that exists in two forms, potassium meta-arsenite (KAsO 2) and potassium ortho-arsenite (K 3 AsO 3). It is composed of arsenite ions (AsO 3 3− or AsO 2 − ) with arsenic always existing in the +3 oxidation state. [ 3 ]
Arsenate readily reacts with metals to form arsenate metal compounds. [2] [3] Arsenate is a moderate oxidizer and an electron acceptor, with an electrode potential of +0.56 V for its reduction to arsenite. [4] Due to arsenic having the same valency and similar atomic radius to phosphorus, arsenate shares similar geometry and reactivity with ...
The researchers conjectured that historically these photosynthesizing organisms produced the arsenates that allowed the arsenate-reducing bacteria to thrive. [14] In humans, arsenite inhibits pyruvate dehydrogenase (PDH complex) in the pyruvate-acetyl CoA reaction, by binding to the –SH group of lipoamide, a participant coenzyme
Water-reactive substances [1] are those that spontaneously undergo a chemical reaction with water, often noted as generating flammable gas. [2] Some are highly reducing in nature. [ 3 ] Notable examples include alkali metals , lithium through caesium , and alkaline earth metals , magnesium through barium .
This reaction generates glucose-6-arsenate and 6-arsenogluconate, which act as analogs for glucose-6-phosphate and 6-phosphogluconate. [40] At the substrate level, during glycolysis , glucose-6-arsenate binds as a substrate to glucose-6-phosphate dehydrogenase, and also inhibits hexokinase through negative feedback. [ 40 ]
Potassium arsenate usually refers to tripotassium arsenate K 3 AsO 4 but may also refer to: Monopotassium arsenate, KH 2 AsO 4; Dipotassium arsenate, K 2 HAsO 4; See ...
Monopotassium arsenate is the inorganic compound with the formula KH 2 AsO 4. A white solid, this salt is used to prepared other arsenic-containing compounds, mainly pesticides. It is prepared by calcining arsenic oxide and potassium nitrate, followed by extraction with water. [1]
The tables below provides information on the variation of solubility of different substances (mostly inorganic compounds) in water with temperature, at one atmosphere pressure. Units of solubility are given in grams of substance per 100 millilitres of water (g/(100 mL)), unless shown otherwise.