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Alkenes are generally colorless non-polar compounds, somewhat similar to alkanes but more reactive. The first few members of the series are gases or liquids at room temperature. The simplest alkene, ethylene (C 2 H 4) (or "ethene" in the IUPAC nomenclature) is the organic compound produced on the largest scale industrially. [5]
The name "homologous series" is also often used for any collection of compounds that have similar structures or include the same functional group, such as the general alkanes (straight and branched), the alkenes (olefins), the carbohydrates, etc. However, if the members cannot be arranged in a linear order by a single parameter, the collection ...
Arndt–Eistert reaction is a series of chemical reactions designed to convert a carboxylic acid to a higher carboxylic acid homologue (i.e. contains one additional carbon atom) Kowalski ester homologation, an alternative to the Arndt-Eistert synthesis. Has been used to convert β-amino esters from α-amino esters through an ynolate ...
Number of C atoms Number of isomers [3] [4] Number of isomers including stereoisomers [3] [5] Molecular Formula Name of straight chain Synonyms 1 1 1 CH 4: methane: methyl hydride; natural gas
There are two types of alpha-olefins, branched and linear (or normal). The chemical properties of branched alpha-olefins with a branch at either the second (vinylidene) or the third carbon number are significantly different from the properties of linear alpha-olefins and those with branches on the fourth carbon number and further from the start of the chain.
Alkenes are named for their parent alkane chain with the suffix "-ene" and a numerical root indicating the position of the carbon with the lower number for each double bond in the chain: CH 2 =CHCH 2 CH 3 is but-1-ene.
IUPAC name: Common name: Structural formula Propionic acid: propanoic acid ethanecarboxylic acid CH 3 CH 2 CO 2 H : Acrylic acid: propenoic acid acroleic acid ethylenecarboxylic acid
The first eight members of the series (in terms of number of carbon atoms) are named as follows: methane CH 4 – one carbon and 4 hydrogen ethane C 2 H 6 – two carbon and 6 hydrogen propane C 3 H 8 – three carbon and 8 hydrogen butane C 4 H 10 – four carbon and 10 hydrogen pentane C 5 H 12 – five carbon and 12 hydrogen hexane C 6 H 14 ...