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8 Φεβ 2024 · Alkanes: Properties & Bonding. Alkanes are a group of saturated hydrocarbons. The term saturated means that they only have single carbon-carbon bonds, there are no double bonds. The general formula of the alkanes is CnH2n+2.
Simple alkanes exist as a homologous series, in which adjacent members differ by a -CH₂- unit.
Alkanes are the simplest family of hydrocarbons - compounds containing carbon and hydrogen only. Alkanes only contain carbon-hydrogen bonds and carbon-carbon single bonds. The first six alkanes are as follows:
The first four alkanes (up to butane, C 4 H 10) are gases at room temperature. Then you get liquids as the boiling points increase, and eventually solids when they get really big. You really need to remember that the first four are gases.
The first four alkanes are gases at room temperature, and solids do not begin to appear until about \(C_{17}H_{36}\), but this is imprecise because different isomers typically have different melting and boiling points. 3.2. 1
22 Οκτ 2024 · Alkanes are colourless compounds which have a gradual change in their physical properties as the number of carbon atoms in the chain increases. They are generally unreactive compounds but they: Undergo combustion. Can be cracked into smaller molecules. React with halogens in the presence of light in substitution reactions. Combustion of alkanes
Hydrocarbons and homologous series. A homologous series is a family of hydrocarbons with similar chemical properties who share the same general formula. We will look at three hydrocarbon series:...
