Question
Which of the following is an example of homologous series?
Answer: Option C
:
C
A homologous series is a series of carbon compounds that have different number of carbon atoms but contain the same functional group and the consecutive members differ by a CH2 group.
Methanol, ethanol, propanol and butanol are all alcohols and hence, belong to the same homologous series. They differ from each other by one CH2 group.
In all the other options, even though they have same functional groups, the type of C-C bonds are different.
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:
C
A homologous series is a series of carbon compounds that have different number of carbon atoms but contain the same functional group and the consecutive members differ by a CH2 group.
Methanol, ethanol, propanol and butanol are all alcohols and hence, belong to the same homologous series. They differ from each other by one CH2 group.
In all the other options, even though they have same functional groups, the type of C-C bonds are different.
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