Compounds of carbon - Wikipedia. Compounds of carbon are defined as chemical substances containing carbon. Organic carbon compounds are far more numerous than inorganic carbon compounds. In general bonds of carbon with other elements are covalent bonds. Carbon is tetravalent but carbon free radicals and carbenes occur as short- lived intermediates. Ions of carbon are carbocations and carbanions are also short- lived. An important carbon property is catenation as the ability to form long carbon chains and rings. One such class of derivatives is inclusion compounds, in which an ion is enclosed by the all- carbon shell of the fullerene. This inclusion is denoted by the . For example, an ion consisting of a lithium ion trapped within buckminsterfullerene would be denoted Li+@C6. As with any other ionic compound, this complex ion could in principle pair with a counterion to form a salt. Other elements are also incorporated in so- called graphite intercalation compounds. Carbides. The most important are Al. C3, B4. C, Ca. C2, Fe. C, Hf. C, Si. C, Ta. C, Ti. C, and WC. Organic compounds. Over time, however, scientists learned how to synthesize organic compounds in the lab. The number of organic compounds is immense and the known number of defined compounds is close to 1. Indeed, the distinction between organic and inorganic compounds is ultimately a matter of convention, and there are several compounds that have been classified either way, such as: COCl. CSCl. 2, CS(NH2)2, CO(NH2)2. With carbon bonded to metals the field of organic chemistry crosses over into organometallic chemistry. Inorganic compounds. Other less known oxides include carbon suboxide (C3. O2) and mellitic anhydride (C1. O9). There are also numerous unstable or elusive oxides, such as dicarbon monoxide (C2. O), oxalic anhydride (C2. O4), and carbon trioxide (CO3). There are several oxocarbon anions, negative ions that consist solely of oxygen and carbon. The most common are the carbonate (CO3. The corresponding acids are the highly unstable carbonic acid (H2. CO3) and the quite stable oxalic acid (H2. C2. O4), respectively. These anions can be partially deprotonated to give the bicarbonate (HCO3. Other more exotic carbon–oxygen anions exist, such as acetylenedicarboxylate (O2. C–C. The anhydrides of some of these acids are oxides of carbon; carbon dioxide, for instance, can be seen as the anhydride of carbonic acid. Some important carbonates are Ag. CO3, Ba. CO3, Ca. CO3, Cd. CO3, Ce. CO3)3, Co. CO3, Cs. CO3, Cu. CO3, Fe. CO3, K2. CO3, La. CO3)3, Li. 2CO3, Mg. CO3, Mn. CO3, (NH4)2. CO3, Na. 2CO3, Ni. CO3, Pb. CO3, Sr. CO3, and Zn. CO3. The most important bicarbonates include NH4. HCO3, Ca(HCO3)3, KHCO3, and Na. HCO3. The most important oxalates include Ag. A compound is a substance formed when two or more elements are chemically joined. Water, salt, and sugar are examples of compounds. Aluminium or aluminum (see below) is a chemical element in the boron group with symbol Al and atomic number 13. It is a silvery-white, soft, nonmagnetic, ductile metal. More Practice With Naming. Before naming a compound, you have to figure out what kind of compound it is. We will consider three types. A glossary of scientific terms. 10 Most Abundant Elements in the Earth's Crust. Source: CRC Handbook of Chemistry and Physics, 77th Edition. We have already encountered some chemical formulas for simple ionic compounds. A chemical formula is a concise list of the elements in a compound and the ratios of. FORMULA WRITING AND NOMENCLATURE OF INORGANIC COMPOUNDS ©2011, 2006, 2004, 2002, 1990 by David A. C2. O4, Ba. C2. O4, Ca. C2. O4, Ce. 2(C2. O4)3, K2. C2. O4, and Na. C2. O4. Carbonyls are coordination complexes between transition metals and carbonyl ligands. Metal carbonyls are complexes that are formed with the neutral ligand CO. These complexes are covalent. World-class teaching, research and facilities-in one of the friendliest learning environments in the country. That's Carolina's Department of Chemistry and Biochemistry. This tutorial introduces chemical bonding in chemistry. Other sections include matter, elements, the periodic table, reactions, and biochemistry. Bacteriopheophytin A Pheophytin is a chlorophyll derivative involved in photosynthesis. Barite Barite is a very common mineral that is usually white or colorless. Writing Formulas of Ionic Compounds. The cation is written first, followed by the monatomic or polyatomic anion. The subscripts in the formula must produce an. Here is a list of some carbonyls: Cr(CO)6, Co. CO)8, Fe(CO)5, Mn. CO)1. 0, Mo(CO)6, Ni(CO)4, W(CO)6. Carbon- sulfur compounds. Carbon monosulfide (CS) unlike carbon monoxide is very unstable. Important compound classes are thiocarbonates, thiocarbamates, dithiocarbamates and trithiocarbonates. Carbon- nitrogen compounds. Cyanuric chloride is the trimer of cyanogen chloride and 2- cyanoguanidine is the dimer of cyanamide. Other types of inorganic compounds include the inorganic salts and complexes of the carbon- containing cyanide, cyanate, fulminate, thiocyanate and cyanamideions. Examples of cyanides are copper cyanide (Cu. CN) and potassium cyanide (KCN), examples of cyanates are potassium cyanate (KNCO) and silver cyanate (Ag. NCO), examples of fulminates are silver fulminate (Ag. OCN) and mercury fulminate (Hg. OCN) and an example of a thiocyanate is potassium thiocyanate (KSCN). Carbon halides. The most common of these alloys is steel, sometimes called . All kinds of steel contain some amount of carbon, by definition, and all ferrous alloys contain some carbon. Some other common alloys that are based on iron and carbon include anthracite iron, cast iron, pig iron, and wrought iron. In more technical uses, there are also spiegeleisen, an alloy of iron, manganese, and carbon; and stellite, an alloy of cobalt, chromium, tungsten, and carbon. Whether it was placed there deliberately or not, some traces of carbon is also found in these common metals and their alloys: aluminum, chromium, magnesium, molybdenum, niobium, thorium, titanium, tungsten, uranium, vanadium, zinc, and zirconium. For example, many of these metals are smelted with coke, a form of carbon; and aluminum and magnesium are made in electrolytic cells with carbon electrodes. Some distribution of carbon into all of these metals is inevitable. References. Second Edition^Advanced Inorganic Chemistry Cotton, F. Albert / Wilkinson, Geoffrey^Chemistry Operations (December 1. Los Alamos National Laboratory.
0 Comments
Leave a Reply. |
Details
AuthorWrite something about yourself. No need to be fancy, just an overview. Archives
May 2017
Categories |