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Question
Define Homologous series.
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Solution
A series of compounds with similar chemical properties, in which members differ from one another by an additional CH2 group, is called a homologous series.
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RELATED QUESTIONS
Write the name and formula of the 2nd member of homologous series having general formula CnH2n.
Write the name and formula of the 2nd member of homologous series having general formula CnH2n + 2.
Write the molecular formula of first two members of homologous series having functional group -Cl.
Write the molecular formula of the 2nd and 3rd member of the homologous series where the first member is ethyne.
Give the molecular formula of one homologue of each of the following:
C2H6
Write the molecular formula of the third member of the homologous series of carbon compounds with general formula CnHO2n+1OH.
The molecular formula of a homologue of butane is:
(a) C4H8
(b) C3H6
(c) C4H6
(d) C3H8
The molecular formula of the third member of the homologous series of ketones is:
(a) C4H8O
(b) C3H6O
(c) C5H10O
(d) C6H12O
Write names of first four homologous series of alcohols.

Haloalkanes react with alkalies to produce alcohol. Give the equation for the preparation of the second member of the homologous series of alcohol. State under what condition the reaction occurs.
The general formula of Alkane is _________________
The general molecular formula for the homologous series of alkynes is _______.
Find the odd one out and give its explanation.
As one ascends in any homologous series, physical properties change gradually.
Observe the structural formula and answer the following questions.

- Write the name of the given hydrocarbon.
- The given hydrocarbon is included in which type of hydrocarbon?
- What is the kind of compounds with the above characteristic structure called?
Name the third homologue of alcohols.
Name the following:
Group of organic compounds where the successive members follow a regular structural pattern, successive compounds differ by a 'CH2' group.
