What is meant by the term homologous series?

A series of organic compounds with the same functional group and general formula whose successive members differ by the addition of a -CH2 group.

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What is meant by the term functional group?

A functional group is the part of an organic molecule that is responsible for the characteristic reactions of that molecule.

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What does the stem of organic compound names indicate?

The stem in organic compound names indicates the number of carbon atoms in the longest continuous chain.

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What is an alkyl group?

An alkyl group is a side chain formed by removing a hydrogen atom from an alkane parent chain.


For example, the simplest alkyl group is a methyl (CH3) group.

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What stems are used to name molecules with continous carbon chains of between 1-10  carbon atoms?

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What are the suffixes for the homologous series in the table above?

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Name the prefixes used to describe halogenoalkanes.

Fluoro-, chloro-, bromo- iodo- etc.

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What are aromatic hydrocarbons?

Hydrocarbons that contain carbon atoms in a benzene ring.


Benzene is an example of an aromatic hydrocarbon.

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What is the difference between saturated and unsaturated hydrocarbons?

Saturated hydrocarbons have single C-C bonds only, while unsaturated hydrocarbons contain C=C double bonds.

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