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The oxide obtained from the basic carbonate is often most useful for catalysis. Basic nickel carbonate can be made by treating solutions of nickel sulfate with sodium carbonate: 4 Ni 2+ + CO 2− 3 + 6 OH − + 4 H 2 O → Ni 4 CO 3 (OH) 6 (H 2 O) 4. The hydrated carbonate has been prepared by electrolytic oxidation of nickel in the presence of ...
This is a list of CAS numbers by chemical formulas and chemical compounds, ... nickel(II) carbonate: 3333–67–3 Ni(CO) 4: nickel(II) carbonyl: 13463–39–3
Nickel (Metallic) 7440-02-0 Nickel acetate: 373-02-4 Nickel carbonate: 3333-67-3 Nickel carbonyl: 13463-39-3 Nickel (soluble compounds) – Nickel hydroxide: 12054-48-7; 12125-56-3 Nickelocene: 1271-28-9 Nickel oxide: 1313-99-1 Nickel refinery dust from the pyrometallurgical process – Nickel subsulfide: 12035-72-2 Nicotine: 54-11-5 Nifedipine ...
Nickel tetrafluoroborate, Ni(BF 4) 2 · 6 H 2 O is very soluble in water, alcohol and acetonitrile. It is prepared by dissolving nickel carbonate in tetrafluoroboric acid. [21] [22] Nickel tetrafluoroberyllate NiBeF 4 •xH 2 O, can be hydrated with six or seven water molecules. [23]
Nickel(II) forms compounds with all common anions, including sulfide, sulfate, carbonate, hydroxide, carboxylates, and halides. Nickel(II) sulfate is produced in large amounts by dissolving nickel metal or oxides in sulfuric acid, forming both a hexa- and heptahydrate [46] useful for electroplating nickel.
Nickel(II) oxide is the chemical compound with the formula NiO. It is the principal oxide of nickel. [4] It is classified as a basic metal oxide. Several million kilograms are produced annually of varying quality, mainly as an intermediate in the production of nickel alloys. [5] The mineralogical form of NiO, bunsenite, is very rare.
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The compound can be prepared by treating nickel or nickel(II) carbonate with acetic acid: . NiCO 3 + 2 CH 3 CO 2 H + 3 H 2 O → Ni(CH 3 CO 2) 2 ·4 H 2 O + CO 2. The mint-green tetrahydrate has been shown by X-ray crystallography to adopt an octahedral structure, the central nickel centre being coordinated by four water molecules and two acetate ligands. [5]