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Organic chemistry - Coggle Diagram
Organic chemistry
Homologous series
Some information about homologous series
Fossil fuels and living things are all based on the element carbon. These carbon atoms can form four covalent bonds
Chains of carbon atoms can form when two carbon atoms convalently bond to one another, which would indicate that their are a large number of carbon compounds
Organic chemicals are mostly obtained from crude oil
A homologous series is a family of organic compounds where members include theses qualities
They show similar chemical properties
They show a gradation in their physical proper
They differ form each other by a CH3 molecule
They have a similar general formula
There are four homologous series required for GCSE chemistry
Alkcohol (CnH2n+1OH)
Alcohols are a lot more reactive than both alkanes and alkenes
Alkenes (CnH2n)
Alkanes are slightly more reactive than alkanes
Carboxylic Acid (CnH2nO2)
Carboxylic Acids are around the same reactivity as alcohol
Alkanes (CnH2n+2)
Alkanes are usually unreactive
Organic Compounds
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Prop - organic compound containing three carbon atom/s
Eth - organic compound containing two carbon atom/s
But - organic compound containing four carbon atom/s
Meth - organic compound containing one carbon atom/s
Hept - organic compound containing seven carbon atom/s
Oct - organic compound containing eight carbon atom/s
Non - organic compound containing nine carbon atom/s
Oct - organic compound containing six carbon atom/s
Dec - organic compound containing ten carbon atom/s
Pent - organic compound containing five carbon atom/s
General formula for organic molecules
A general formula is one involving a variable number, which is represented by the letter n, this allows the molecular formula of any compound in any homologous series to be determined