Functional Groups of Organic Compounds A functional group is a specific arrangement of atoms in the HC derivative other than carbon and hydrogen. Literally‚ the functional group determines the functions of the particular HC derivative in chemical reactions. This means that the specific properties of the HC derivative are due to its functional group. Each functional group is attached to an alkyl radical (R). An alkyl radical is one H atom less than the given alkane. The alkyl radical (R) uses
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Alkynes Chapter 7 Triple Bond Structure Nomenclature IUPAC: use the infix -yn- to show the presence of a carbon-carbon triple bond 4 3 2 1 2 3 4 6 7 5 1 2 3 4 6 7 5 1 3-Methyl-1-butyne 6‚6-Dimethyl-3-heptyne 1‚6-Heptadiyne Common names: prefix the substituents on the triple bond to the name “acetylene” IUPAC name: Common name: 2-Butyne D imethylacetylene 1-Buten-3-yne Vinylacetylene Physical Properties
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TWS Chemistry 1013-231 Organic Chemistry I Name___________________________________ 2011 Exam#2 - Version 2 MULTIPLE CHOICE. Choose the one alternative that best completes the statement or answers the question. 1) Energy is __________ when bonds are formed and is __________ when bonds are broken; therefore‚ bond dissociation energies are always __________. A) consumed / released / endothermic B) consumed / released / isothermic C) released / consumed / endothermic D) consumed / released / exothermic
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When reading Superstitions About Rats by Lesley Emmanuel‚ the reader will notice a distinct focus on the portrayal of the female characters in the short story. The women in Lesley Emanuel’s Superstitions About Rats are portrayed in such a way that one cannot label or identify them without referring to their relationships with other characters or the settings that serve to characterise them. It is also quite obvious that each of these characters has an influence on the main character‚ Anniline‚ in
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Dibenz[a‚h]anthracene‚ Dibenzo[a‚e]pyrene‚ 7‚12-Dimethylbenz[a]anthracene‚ Fluoranthene‚ Fluorene‚ Indeno[1‚2‚3-cd]pyrene‚ 3-Methylcholanthrene‚ 2-Methylnaphthalene‚ Naphthalene‚ Perylene‚ Phenanthrene‚ Pyrene)‚ 11 benzene derivatives (Acetophenone‚ Aniline‚ Benzoic acid‚ Benzyl alcohol‚ 2‚4-Dimethylphenol‚ Hydroquinone‚ 2-Methylphenol‚ 3-Methylphenol‚ 4-Methylphenol‚ Phenol‚ Resorcinol)‚ 4 heterocyclic compounds (Dibenzo[a‚j]acridine‚ Dibenzofuran‚ 2-Picoline‚ Pyridine) and 2 α‚ β-unsaturated cyclic
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Chem 3418 Organic Chemistry Laboratory I Acid Base Review Definition In general‚ an acid is a substance that can donate a proton (H+) and a base is a substance that can accept a proton. Any proton in an organic molecule can potentially be donated. The most acidic proton in a molecule would be donated first. Any lone pair in an organic molecule can act as the proton acceptor. An acid (HA) reacts with a base (in this case H2O) to form the conjugate base of the acid (A-) and the conjugate acid of the
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proteins that classify chromatin to nucleosomes and eventually higher order. The structures represent a type of epigenetic label within chromatin. Paraphrase: The enzyme HRP also known as Horseradish peroxide was used to polymerized acid- functionalized anilines to produce a self- doped polymer in the company of Polycationic
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Arenes The aromatic hydrocarbons also have the name arenes. They contain in their molecule one or more cycles made up from 6 carbon atoms. When the molecule is formed out of a single cycle‚ the hydrocarbons are mono nucleuses; when the molecule contains more than one cycle‚ the hydrocarbons are poly nucleuses. The simplest aromatic hydrocarbon‚ benzene‚ is compound out of just one such cycle; its formula is C6H6. The representation of benzene through a cycle of 6 carbon atoms with 3 double bounds
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“Science does not know it’s debt to imagination.” “Men love to wonder‚ and that is the seed of science.” Ralph Waldo Emerson was right on point when he said these two statements. There have been numerous great scientists that have come in and out of this world‚ and there are many to still come. When Emerson said these two quotes‚ he was talking about all of these scientists. The world we live in today would not be the same without the imagination and wonder of scientists; therefore we owe everything
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than acetic acid. Reason : due to –I effect of phenyl group. Relative basic strength of amines 1. All aliphatic amines are more basic than ammonia. e.g. Methyl amine is more basic than ammonia. Reason : Due to +I effect of methyl group. 2. Aniline is weaker base than Ammonia. Reason : Due to
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