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1 - contentextra
1 - contentextra

... Aldehydes (Alkanals) A homologous series of compounds with the general formula RCHO, where the –CHO group (the aldehyde group) consists of a carbonyl group attached to a hydrogen atom. R is an alkyl or aryl group. Alkyl group A group, with the general formula CnH2n + 1, obtained by removing a hydrog ...
CHE 312 Exam III Review Sheet - Saint Leo University Faculty
CHE 312 Exam III Review Sheet - Saint Leo University Faculty

Alkanes CH4 + Cl2 → CH3Cl + HCl CH3CH3 + Cl2 → CH3CH2Cl +
Alkanes CH4 + Cl2 → CH3Cl + HCl CH3CH3 + Cl2 → CH3CH2Cl +

... The hydrogen atom must come from a carbon atom that is adjacent to the carbon atom that loses the halogen atom. The C=C is formed between the two atoms that lose the hydrogen and halogen atoms. Often there is more than one hydrogen atom that can be removed, in which case the product will be a mixtur ...
Synthesis, Isolation and Purification of an Ester
Synthesis, Isolation and Purification of an Ester

... 2.10 The student can design and/or interpret the results of a separation experiment (filtration, paper chromatography, column chromatography, or distillation) in terms of the relative strength of interactions among and between the components. 3.3 The student is able to use stoichiometric calculati ...
+ CuO Cu + O
+ CuO Cu + O

... 2- When copper hydroxide is heated, it will decompose into ……………… and …………………………. 3- When calcium carbonate is heated, ……………………………. And ……………………………. Are obtained. 4- Copper sulphate is decomposed by heat into …………………………………… 5- Active metals react with water as they substitute hydrogen of water which ...
Organic Chemistry
Organic Chemistry

... The alcohol that is found in all alcoholic beverages is ethyl alcohol (ethanol). Ethanol, and all other alcohols, are highly flammable and are used as fuels. Like hydrocarbons, when burned alcohols produce carbon dioxide and water. Ethyl Alcohol ...
Carbon Chemistry
Carbon Chemistry

... molecules by bonding to four other atoms • Carbon compounds range from simple molecules to complex ones • Carbon has four valence electrons and may form single, double, triple, or quadruple bonds ...
ch-22 HW answers - HCC Learning Web
ch-22 HW answers - HCC Learning Web

... C) organic bases that react with acids to form ammonium salts. D) organic acids that react with bases to form ammonium salts. E) None of the above. ...
Rhodium roles
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... Rhodium’s price fluctuates according to external factors, increasing for example if car sales go up or environmental legislation gets tougher. Moreover, as its production is dominated by a few countries, notably South Africa, mining strikes or local politics may also significantly affect the world m ...
Chapter 16. Biological Reagents
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notes fill in File
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...  ____________ taste - but DON’T use taste for ID of chemicals  Affect the __________ of indicators (an indicator is a compound that shows a definite color change when mixed with an acid or a base)  Turns blue litmus paper to _______ (acid)  Phenolphthalein is ______________ in acid  React with ...
Science Class 10 Notes for Carbon and its Compounds
Science Class 10 Notes for Carbon and its Compounds

... Carbon form covalent bonds. Formation of covalent bond : Covalent bond formation involves sharing of electrons between bonding atoms which may be either same or different. Covalency : The number of electrons contributed by an atom for sharing is known as its covalency. Characteristics of covalent co ...
Acyl Anions Derived from Enol Ethers
Acyl Anions Derived from Enol Ethers

... The a-hydrogens of nitroalkanes are appreciably acidic due to resonance stabilization of the anion [CH3N02, pKa: 10.2; CH3CH2N02, pKa: 8.51. The anions derived from nitroalkanes give typical nucleophilic addition reactions with aldehydes (the Henry-Nef tandem reaction). Note that the nitro group can ...
16.1 The Carbonyl Group
16.1 The Carbonyl Group

... 16.3 Properties of Aldehydes and Ketones • Aldehydes and ketones cannot hydrogen-bond with one another, so they are lower boiling than alcohols. • Aldehydes and ketones are higher boiling than alkanes because of the polarity of the carbonyl group. Common aldehydes and ketones are ...
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... carbon with hydrogens on the 4 valance sites is called methane: METH=1 and alkANE = single ...
First Round SwissChO 2015
First Round SwissChO 2015

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... • Conversion of p Bond to 2 s Bonds Typically Energy Favored • Two s Bonds Higher Energy than One p + One s • Overall Process is thus Typically Exothermic ...
Pre-AP Chemistry
Pre-AP Chemistry

... Many foods and consumer products contain artificial flavors as additives. Many of these flavors are organic molecules called esters that are synthesized in the lab. Chemists discovered about two hundred years ago that these compounds could be produced when an alcohol was reacted with an organic acid ...
Studying Sn1 and Sn2 reactions: Nucleophillic substitution
Studying Sn1 and Sn2 reactions: Nucleophillic substitution

... The carbon group: production of a carbocation, the reaction will occur faster for compounds that lead to more stable carbocation's. Tertiary compounds react faster, primary compounds react very slowly ...
CHM2045 Final Exam Review, Spring 2017
CHM2045 Final Exam Review, Spring 2017

... CHM2045 Final Exam Review, Spring 2017 1. The combustion of 40.10 g of a compound which contains only C, H, Cl and O yields 58.57 g of CO2 and 14.98 g of H2O. Another sample of the compound with a mass of 75.00 g is found to contain 22.06 g of Cl. What is the empirical formula of the compound? If th ...
6.5. alcohols
6.5. alcohols

here
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... C4H6 General Properties/Characteristics: Alkanes (paraffins or saturated HC): relatively stable to chemical reactions. Low molecular weight alkanes are gases or liquids, high MW are solids. Alkenes (olefins ): unsaturated HC because they don’t have the maximum number of atoms each carbon is able to ...
NCEA Level 2 Chemistry (91165) 2014
NCEA Level 2 Chemistry (91165) 2014

Key III
Key III

Organic chemistry - Mr. Amundson`s DCC science
Organic chemistry - Mr. Amundson`s DCC science

... Primary alcohols become aldehydes and carboxylic acid under oxidation Secondary alcohols become ketones under oxidation. Tertiary alcohols don’t oxidize. ...
< 1 ... 298 299 300 301 302 303 304 305 306 ... 359 >

Hydroformylation



Hydroformylation, also known as oxo synthesis or oxo process, is an important homogeneously catalyzed industrial process for the production of aldehydes from alkenes. This chemical reaction entails the addition of a formyl group (CHO) and a hydrogen atom to a carbon-carbon double bond. This process has undergone continuous growth since its invention in 1938: Production capacity reached 6.6×106 tons in 1995. It is important because the resulting aldehydes are easily converted into many secondary products. For example, the resulting aldehydes are hydrogenated to alcohols that are converted to plasticizers or detergents. Hydroformylation is also used in specialty chemicals, relevant to the organic synthesis of fragrances and natural products. The development of hydroformylation, which originated within the German coal-based industry, is considered one of the premier achievements of 20th-century industrial chemistry.The process typically entails treatment of an alkene with high pressures (between 10 to 100 atmospheres) of carbon monoxide and hydrogen at temperatures between 40 and 200 °C. Transition metal catalysts are required.
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