A homologous series is a family of compounds with the same functional group, which differ in formula by CH2 from the next member
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A functional group
A functional group is an atom or group of atoms in a molecule that is responsible for its chemical reactions.
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Chain isomerism
refers to molecules with different carbon chains. Butane and methylpropane
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Position isomerism
Propan-1-ol and propan-2-ol are simple examples of position isomerism:
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Stereoisomerism
s are compounds with the same structural formula (and the same molecular formula), but with the atoms or groups arranged differently in three dimensions. A good example is the alkene but-2-ene: CH3 CH CH CH3
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Geometric isomers
are compounds containing a C=C bond with atoms or groups attached at different positions.
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Card 2
Front
A functional group
Back
A functional group is an atom or group of atoms in a molecule that is responsible for its chemical reactions.
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