Talk:Organic compound
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What are functions, uses and examples of carbohydrates?
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[edit] nucleic acid
[edit] carbon compounds
[edit] like common nutrients we need to eat to get
what are the characteristics of organic compounds
[edit] CF4 (tetrafluoromethane)
according to your definition, tetrafluoromethane and teflon is not an organic compound as they don't have hydrogen atom. are they inorganic or organic compound?
- See the third paragraph. They are in a gray area. Some chemists consider perfluorocarbons organic, and some don't. Personally, I think they should be special add-on's, since (as noted) the C-F bond confers physical properties in some (but not all) ways resembling the C-H bond. However, if you've ever seen a flask with a high MW perfluorocarbon liquid (like perfluorooctane) on the bottom, a layer of water above that, and a layer of pure hydrocarbon like benzene on top, you see three clearly different types of immiscible fluids. If you do enough of that, you begin to consider perfluorocarbons as perhaps needing a class of their own! They are very weird compounds. SBHarris 18:17, 3 August 2006 (UTC)
[edit] Definition of an organic compound
The general definition of organic compounds as those containing carbon-hydrogen bonds is in desperate need of revision. There are numerous instances of organic compounds that do not contain carbon-hydrogen bonds, the most pertinent of which being urea. This compound is widely known as the first organic compound to be successfully synthesized (as mentioned in the article), yet itself contains no carbon-hydrogen bonds! The gray-area of which the article speaks seems far too broad for this archaic definition to be used any longer.
- Another is is the simplest dicarboxilic acid, oxalic acid HOOC-COOH. Surely organic if succinic is, since the chemistry is nearly identical. And the diamide of oxalic acid as well. And are mono and difluoroacetic acids to be considered organics, but trifluoacetic acid not? There is also a crystalline polymer HOOC-(CO)n-COOH which looks and feels awfully organic to me. There are also trifluormethyl versions of methyl methacrylate and methyl polyvinyl alcohol polymers which would be strange not to consider organic--- even odder than Teflon. So yes, I fully agree with the problem. Want to have a whack at solving it, perhaps in a subsidiary LEAD paragraph talking about a significant minority view? SBHarris 06:55, 10 September 2006 (UTC)
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- I have been an organic chemist for over thirty years and have never seen a definition of "organic compound" as limiting as that used in this article. I could sit here all night and list compounds which almost any organic chemist would consider to be "organic" yet which contain no hydrogen. Carbon disulfide (which is produced anerobic decomposition of biomass and would even fit the classical definition of "organic"), carbon tetrachloride, decachlorobiphenyl (a PCB), mellitic anhydride (anhydride of benzene hexacarboxylic acid) are all inorganic by the definition used in this article. One definition says that a compound is organic if an organic chemist says it is (this works for me!). However, Morrison and Boyd, in one of the most used organic chemistry texts, simply state that organic chemisty is the study of the chemistry of carbon.
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- I suggest replacing "An organic compound is any member of a large class of chemical compounds whose molecules contain carbon and hydrogen; therefore, carbides, carbonates, carbon oxides and elementary carbon are not organic" with "An organic compound is one which contains carbon. Some simple compounds such as oxides (carbon monoxide and carbon dioxide), carbides (eg. tungsten carbide), small ionic salts (eg. cyanides, carbonates, cyanates etc) and allotropes of carbon (eg. diamond and graphite) are generally considered to be inorganic." This makes the article consistent with the one on inorganic compounds.Silverchemist 05:04, 12 February 2007 (UTC)
[edit] could somebody make a poem or song about compounds?
[edit] Four Major classes
What are the four major classes of organic compounds? —The preceding unsigned comment was added by 69.139.52.73 (talk) 15:45, 20 January 2007 (UTC). i dont know, a need help!!!!!!!! i want to know if what are those classes of orgamic compounds.
- Talk pages of Wikipedia articles are for discussing improvements to articles. They are not places to request help with your homework.
- I expect your question relates to biochemistry, in which case the four main classes of biomolecules are carbohydrates, lipids, proteins, and nucleic acids. I don't think this information really belongs in an article on organic chemistry - it is already covered in biochemistry and biomolecule.
- Next time, use Wikipedia:Reference desk, or just read your textbook, consult your notes, ask a teacher or a classmate. Don't rely on Wikipedia talk pages, that's not their purpose!
- Ben 11:18, 25 March 2007 (UTC)
[edit] Unreferenced
I added the unreferenced template at the top of the article because there is no source for the claimed definition (compounds containing C-H bonds). This is an arbitrary definition; there are others that could be used. --Itub 10:08, 6 March 2007 (UTC)
