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It contains sodium cations Na + and oxalate anions C 2 O 2− 4. It is a white, crystalline, odorless solid, that decomposes above 290 °C. [2] Sodium oxalate can act as a reducing agent, and it may be used as a primary standard for standardizing potassium permanganate (KMnO 4) solutions. The mineral form of sodium oxalate is natroxalate.
Oxalate (systematic IUPAC name: ethanedioate) is an anion with the chemical formula C 2 O 2− 4. This dianion is colorless. It occurs naturally, including in some foods. It forms a variety of salts, for example sodium oxalate (Na 2 C 2 O 4), and several esters such as dimethyl oxalate ((CH 3) 2 C 2 O 4). It is a conjugate base of oxalic acid.
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Potassium ferrioxalate crystals. Metal oxalate complexes are photoactive, degrading with loss of carbon dioxide. This reaction is the basis of the technique called actinometry. Ferrioxalate undergoes photoreduction. The iron centre is reduced (gains an electron) from the +3 to the +2 oxidation state, while an oxalate ion is oxidised to carbon ...
Potassium ferrioxalate; Potassium ferrooxalate; S. Sodium ferrioxalate; T. Transition metal oxalate complex This page was ...
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Sodium oxalate: Na 2 C 2 O 4: Non-hygroscopic. Slightly reacts with magnesium, no reaction with aluminium. Yellow Sodium nitrate: NaNO 3: Also acts as oxidizer. Bright flame, used for illumination. Yellow Cryolite: Na 3 AlF 6: One of the few sodium salts that is nonhygroscopic and insoluble in water. Green Barium chloride: BaCl 2: Green Barium ...
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