HOMOLOGOUS SERIES | ALKANE | ALKENE | ALCOHOL | CARBOXYLIC ACID | ESTER | GENERAL FORMULA | CnH2n+2‚ where n= 1‚2‚3‚.. | CnH2n‚ where n= 2‚3‚4‚.. | CnH2n+1OH‚ where n= 1‚2‚3 | CnH2n+1COOH‚ where n= -0‚1‚2‚3‚.. | CnH2n+1COOCmH2m+1‚ where n= 0‚1‚2‚3‚.. and m= 1‚2‚3‚.. | PHYSICAL PROPERTIES | * MP & BP Size of hydrocarbon molecules inc‚ f.o.a inc‚ more heat overcome f.o.a * Density Mass per molecule inc faster than volume per molecule * Gas – liquidSize of hydrocarbon molecule inc‚ f
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located around 1900 cm-1 indicates the presence of a benzene ring. For the product‚ the peaks located just over 3000 cm-1 indicate carbon hydrogen bonds. The weak carbon-carbon double bond peak located at 1621 cm-1 indicates the presence of a trans alkene. This is also supported by the peak located at 964.93 cm-1‚ the trans isomer peak. The two peaks at 1621.31 and 1516.29 cm-1 along with the overtones located around 1900 cm-1 indicates the presence of a benzene ring. Based on this data‚ it can be
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using the resulting aldehyde‚ along with 2‚4-dimethylpyrole‚ a BODIPY dye was obtained [36]. To facilitate intersystem crossing‚ the 2- and 6- positions of the boradiazaindacene ring system were iodinated with an iodic acid-iodine mixture [37]. Bromination at the same positions was performed via N-bromosuccinamide (NBS) [38]. 8-Palmitoyl-1‚ 3‚ 5‚ 7-tetramethyl-2‚ 6 diiodo-4-bora‚ 3a‚ 4a-diaza-s-indacene was obtained by the iodination of 8-palmitoyl-1‚ 3‚ 5‚
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Title: Experiment 28: Nitration of Methyl Benzoate Objective: The students will learn to nitrate methyl benzoate through electrophilic aromatic substitution reaction. They will learn the importance of regiochemistry in chemical reactions. They might experience disubstitution through a high temperature. Reactions: Observation: The crystals started to form when added 2 g of crushed ice. The addition of hot methanol dissociated the crystals. The crystals reappeared when cooled down in
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Properties Alkanes & Cycloalkanes: Introduction to Hydrocarbons Alkanes & Cycloalkanes: Conformations and cistrans Stereoisomers Stereochemistry Alcohols & Alkyl Halides. Nucleophilic Substitution Structure & Preparation of Alkenes: Elimination Reactions Reactions of Alkenes: Addition reactions Alkynes Conjugation in Alkadienes & Allylic Systems Arenes and Aromaticity Reactions of Arenes: Electrophilic & Nucleophilic Aromatic Substitutions B. R. Kaafarani 2 Course Grading Exam I Exam II Assignments
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The Earth’s atmosphere has changed over billions of years‚ but for the past 200 million years it has been much as it is today. We are‚ however‚ causing our atmosphere to change by human activity. Burning fossil fuels and deforestation are two examples of human effect on the environment. Composition of the Earth’s atmosphere The composition of air You need to know the proportions of the main gases in the atmosphere. The Earth’s atmosphere has remained much the same for the past 200 million years
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Alkanes are saturated hydrocarbons. They contain only carbon-carbon and carbon-hydrogen single bonds. They are the least reactive of the organic compounds. The main source is crude oil. Hydrocarbon- a compound consisting only of hydrogen and carbon Saturated- Contain single carbon -carbon bonds only Unsaturated-contains a C=C bond Petroleum fraction- mixture of hydrocarbons with a similar chain length and boiling range The general formula for is CnH2n+2 (for ring alkanes is CnH2n)
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2.1 Drawing Organic Structures 73 2.2 Alkanes 77 2.3 Structural Isomerism 77 2.4 IUPAC Nomenclature 79 2.5 Naming Alkanes 80 2.6 Naming Cycloalkanes 87 2.7 Naming Complex Alkyl Groups 2.8 Functional Groups 97 2.9 Naming Alkenes and Alkynes 2.10 Naming Alkenes‚ Part II 108 2.11 Arenes 109 2.12 Organohalogens 113 2.13 Using Molecular Formulas 115 Key Ideas from Chapter 2 117 91 100 Organic Chemistry - Ch 2 70 Daley & Daley Copyright 1996-2005 by Richard F. Daley &
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reaction is the Wittig-Horner reaction (1). ABSTRACT Georg Wittig was a German chemist and Nobel Prize winner in 1979 for the Wittig reaction (1). He was born in Berlin‚ on June 16‚ 1897‚ and died August 26‚ 1987 (1). Wittig discovered the route to alkenes through ylide molecules (1). Wittig was educated originally at Tubingen; Wittig spent periods at Braunschweig‚ Freigurg‚ back to Tubingen again before taking up the post as director of the organic chemistry department at Heidelberg (1). Wittig became
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Through vaporized solder the diode flashed red. Lub-Dub‚ Lub-Dub. It works! After weeks‚ my digital stethoscope was finally functioning as I had designed. The project started with the simple ambition of listening in on my preceptor’s stethoscope while he performed a heart exam‚ but ended up answering an imperative question about my medical future. In that moment I realized that my varied interests‚ individual strengths‚ and desire to be challenged converged into a single medical field; radiology
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