Question

Example for homologous series

Answer 1

Answer:

What's a Homologous Series? A homologous series in organic chemistry is a group of organic compounds (compounds that contain C atoms) that differ from each other by one methylene (CH2 ) group. For example, methane, ethane, and propane are part of a homologous series.

Explanation:

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Answer 2

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☛ Homologous Series :-A homologous series is a group of organic compounds having similar structures and similar chemical properties in which the successive compounds differ by $\rm\:CH_2$ group.

☛ Example of Homologous Series :-

➥ All the alkanes have similar structures with single covalent bonds and show similar chemical Properties, so they can be grouped together in the form of a homologous series.

➥The general formula of the homologous series of alkanes is $\rm\:{C_n}{H}_{2n+2}$ where n is the number of carbon atoms in one molecules of alkane.

☛ characteristics of a Homologous Series:-

➥ All the members of a homologous series can be represented by the same general formula.

➥ Any two adjacent homologous differ by 1 carbon atom and 2 hydrogen atoms in their molecular formula.

➥ All the compounds of a homologous series show similar chemical Properties.

➥ The members of homologous series show a gradual change in their physical Properties with increase in molecular mass.

➥ The difference in the molecular masses of any two adjacent homologous is 14u.