What is a homologous series of carbon compounds ? Give an example and list its three
members with their molecular formula.
Answers
Answer:
A homologous series is a series of carbon compounds that have different numbers of carbon atoms but contain the same functional group. For example, methane, ethane, propane, butane, etc. are all part of the alkane homologous series.
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A homologous series is a group of organic chemical compounds, usually listed in order of increasing size, that have a similar structure and general formula (and hence also similar properties) and whose structures differ only by the number of −CH
2
units in the main carbon chain.
CH
3
CH
2
OH and CH
3
CH
2
CH
2
OH are two consecutive members of alcohol homologous series.
Physical properties:- Hydrocarbon chain i.e. CH
3
in CH
3
CH
2
OH and CH
3
CH
2
in CH
3
CH
2
CH
2
OH
Chemical properties:- Functional group i.e. −OH