CopyCopied, InChI=1S/2Cu.O/q2*+1;-2 Dilute sulfuric acid and nitric acid produce copper(II) sulfate and copper(II) nitrate, respectively.[5]. Problem: The IUPAC name for Cu2O iscopper oxidecopper (I) oxidecopper (II) oxidecopper (III) oxidenone of these Based on our data, we think this question is relevant for Professor Randles' class at UCF.
Except where otherwise noted, data are given for materials in their. Any copper oxide in which the metal is in the +1 oxidation state. Formation of copper(I) oxide is the basis of the Fehling's test and Benedict's test for reducing sugars.
For example, many wood preservatives are produced from copper oxide.[3]. OU Chemical Safety Data (No longer updated) More details Warning Alfa Aesar A14436: WARNING: Causes GI injury, skin and eye irritation Alfa Aesar 40188 It is one of the principal oxides of copper, the other being CuO or cupric oxide. Copper(I) oxide or cuprous oxide is the inorganic compound with the formula Cu 2 O. Rectifier diodes based on this material have been used industrially as early as 1924, long before silicon became the standard. It is also incorrectly used as a dietary supplement in animal feed. It is also produced commercially by reduction of copper(II) solutions with sulfur dioxide. Cuprous oxide is commonly used as a pigment, a fungicide, and an antifouling agent for marine paints. [O-2].[Cu+]. Copper(II) oxide belongs to the monoclinic crystal system. A copper oxide electrode formed part of the early battery type known as the Edison–Lalande cell. Aqueous cuprous chloride solutions react with base to give the same material. The Cu atoms arrange in a fcc sublattice, the O atoms in a bcc sublattice. One sublattice is shifted by a quarter of the body diagonal. It is a product of copper mining and the precursor to many other copper-containing products and chemical compounds.[3]. Learning to name chemical compounds requires that you: Determine the type of compound you are working with. The compound can appear either yellow or red, depending on the size of the particles. Common compound names. Water, carbon dioxide and table salt are three examples for chemical compounds. [4] Most straightforwardly, it arises via the oxidation of copper metal: Additives such as water and acids affect the rate of this process as well as the further oxidation to copper(II) oxides. The space group is Pn3m, which includes the point group with full octahedral symmetry. It can be formed by heating copper in air at around 300–800°C: For laboratory uses, pure copper(II) oxide is better prepared by heating copper(II) nitrate, copper(II) hydroxide, or basic copper(II) carbonate:[4], Copper(II) oxide dissolves in mineral acids such as hydrochloric acid, sulfuric acid or nitric acid to give the corresponding copper(II) salts:[4]. [10] Cu2O was the first substance where an entirely parameter-free model of absorption linewidth broadening by temperature could be established, allowing the corresponding absorption coefficient to be deduced. This red-coloured solid is a component of some antifouling paints.
Common Names of Chemical Compounds.
Except where otherwise noted, data are given for materials in their, L. O. Grondahl, Unidirectional current carrying device, Patent, 1927. Apply the rules for naming that type of compound. The ionic compound Cu2O is named copper I oxide. As a mineral, it is known as tenorite. Copper(I) oxide is also responsible for the pink color in a positive Benedict's test. Do not breathe dust. This kind of corrosion is known as red plague. 22-50/53 Alfa Aesar A14436, 12300, 40188: 22-60-61 Alfa Aesar A14436, 12300, 40188: 9 Alfa Aesar A14436: H400-H410-H302 Alfa Aesar A14436: P273-P264-P270-P301+P312-P330-P501a Alfa Aesar A14436: Safety glasses.
Copper oxide was also used in a lithium battery type (IEC 60086 code "G"). J. P. Wolfe and A. Mysyrowicz: Excitonic Matter, https://www.nwmissouri.edu/naturalsciences/sds/c/Copper%20I%20oxide.pdf, National Institute for Occupational Safety and Health, National Pollutant Inventory: Copper and compounds fact sheet, https://en.wikipedia.org/w/index.php?title=Copper(I)_oxide&oldid=982212715, Chemical articles with multiple compound IDs, Multiple chemicals in an infobox that need indexing, Pages using collapsible list with both background and text-align in titlestyle, Articles containing unverified chemical infoboxes, Creative Commons Attribution-ShareAlike License, Phonoritons ("a coherent superposition of, This page was last edited on 6 October 2020, at 20:04. The ores are treated with an aqueous mixture of ammonium carbonate, ammonia, and oxygen to give copper(I) and copper(II) ammine complexes, which are extracted from the solids. Copper(I) oxide is found as the reddish mineral cuprite. In the history of semiconductor physics, Cu2O is one of the most studied materials, and many experimental semiconductor applications have been demonstrated first in this material: The lowest excitons in Cu2O are extremely long lived; absorption lineshapes have been demonstrated with neV linewidths, which is the narrowest bulk exciton resonance ever observed. Second, look at the subscript of each element to determine which prefix to use. Cupric oxide is used as a pigment in ceramics to produce blue, red, and green, and sometimes gray, pink, or black glazes. In terms of their coordination spheres, copper centres are 2-coordinated and the oxides are tetrahedral. A black solid, it is one of the two stable oxides of copper, the other being Cu 2 O or copper(I) oxide (cuprous oxide). For every chemical compound, there will be a chemical name or scientific name and a common name or popular name.
Copper(I) oxide may be produced by several methods. Copper(II) oxide or cupric oxide is the inorganic compound with the formula CuO. It dissolves in hydrochloric acid to give solutions of CuCl2−. Copper(I) oxide or cuprous oxide is the inorganic compound with the formula Cu2O. This water is called water of hydration. Examples of molar mass computations: NaCl , Ca(OH)2 , K4[Fe(CN)6] , CuSO4*5H2O , water , nitric acid , potassium permanganate , ethanol , fructose . Get more practice naming compounds. The compound can appear either yellow or red, depending on the size of the particles. In all cases, the color is highly sensitive to the procedural details. 129, 12 (1999) 2278-2279, National Institute for Occupational Safety and Health, Ullmann's Encyclopedia of Industrial Chemistry, "Uses of Copper Compounds: Other Copper Compounds", National Pollutant Inventory - Copper and compounds fact sheet, CDC - NIOSH Pocket Guide to Chemical Hazards, https://en.wikipedia.org/w/index.php?title=Copper(II)_oxide&oldid=982213512, Chemical articles with multiple compound IDs, Multiple chemicals in an infobox that need indexing, Pages using collapsible list with both background and text-align in titlestyle, Articles containing unverified chemical infoboxes, Creative Commons Attribution-ShareAlike License, This page was last edited on 6 October 2020, at 20:09. Matter 3 (1991) 5257-5261 , Cupric Oxide Should Not Be Used As a Copper Supplement for Either Animals or Humans, Baker, D. H., J. Nutr. The effect of hydrostatic pressure on the ambient temperature structure of CuO, Forsyth J.B., Hull S., J.
By convention, the cation name and formula are listed before the anion name and formula. (Note: If the prefix of the first element would be “mono-”, it is not needed.)TIP! Thus, light moves almost as slowly as sound in this medium, which results in high polariton densities. Copper(II) oxide (cupric oxide) is CuO. CopyCopied, Validated by Experts, Validated by Users, Non-Validated, Removed by Users, Predicted data is generated using the ACD/Labs Percepta Platform - PhysChem Module. It can be shown using Cu2O that the Kramers–Kronig relations do not apply to polaritons.[11]. Cuprous oxide, while being technically correct, is not the preferred way to name the compound. [6] Due to low bioactivity, negligible copper is absorbed. Phys. These complexes are decomposed with steam to give CuO. A similar situation applies to the hydroxides of gold(I) and silver(I). Copper(I) oxide is the correct name for Cu2O. Click to predict properties on the Chemicalize site, For medical information relating to Covid-19, please consult the, ACD/Labs Percepta Platform - PhysChem Module, Compounds with the same molecular formula, Search Google for structures with same skeleton, WARNING: Causes GI injury, skin and eye irritation, WARNING: Irritates skin and eyes, harmful if swallowed. Another unusual feature of the ground state excitons is that all primary scattering mechanisms are known quantitatively. J. Brandt, D. Fröhlich, C. Sandfort, M. Bayer, H. Stolz, and N. Naka.
Steps to Naming Covalent Compounds. First, identify the elements present. : Condens. [1], The work function of bulk CuO is 5.3 eV[5], As a significant product of copper mining, copper(II) oxide is the starting point for the production of other copper salts. A black solid, it is one of the two stable oxides of copper, the other being Cu2O or copper(I) oxide (cuprous oxide). [Cu+] Cu2O degrades to copper(II) oxide in moist air. It is one of the principal oxides of copper, the other being CuO or cupric oxide.This red-coloured solid is a component of some antifouling paints. CopyCopied, KRFJLUBVMFXRPN-UHFFFAOYSA-N [9] The associated quadrupole polaritons have low group velocity approaching the speed of sound. It forms on silver-plated copper parts exposed to moisture when the silver layer is porous or damaged. Cu2O crystallizes in a cubic structure with a lattice constant al=4.2696 Å. Little evidence exists for cuprous hydroxide, which is expected to rapidly undergo dehydration. As a mineral, it is known as tenorite.It is a product of copper mining and the precursor to many other copper-containing products and chemical compounds. It reacts with concentrated alkali to form the corresponding cuprate salts: It can also be reduced to copper metal using hydrogen, carbon monoxide, or carbon: When cupric oxide is substituted for iron oxide in thermite the resulting mixture is a low explosive, not an incendiary. These sugars reduce an alkaline solution of a copper(II) salt, giving a bright red precipitate of Cu2O. It is produced on a large scale by pyrometallurgy, as one stage in extracting copper from its ores.
(If an element does not have a prefix, assume that the subscript is “1.” Third, apply the above naming scheme. The structure thus resembles in some sense the main polymorphs of SiO2, and both structures feature interpenetrated lattices. No predicted properties have been calculated for this compound. In the simplest way, you can define a chemical compound as “a substance that is made up of two or more elements”. For example, table salt, or sodium chloride, consists of the Na + cation bonded to the Cl-anion to form NaCl.
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