Question

Describe the homologous series and it's characteristics?

Answer 1

Answer:

A homologous series is a family of hydrocarbons with similar chemical properties who share the same general formula. We will look at three hydrocarbon series: alkanes, alkenes and the cycloalkanes. Hydrocarbons are compounds that contain only hydrogen and carbon.

Explanation:

Four characteristics of a homologous series are: (i) The general formula of all compounds in the series is the same. (ii) They have the same functional group. (iii) Their physical properties such as melting point, boiling point, density, generally show a gradual change with increase of molecular formula in the series.

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Answer 2

A group of organic compounds containing same functional group which can be represented by the same general formula and which have similar trends in their properties are called a homologous series.

Four characteristics of a homologous series are:

(i) The general formula of all compounds in the series is the same.

(ii) They have the same functional group.

(iii) Their physical properties such as melting point, boiling point, density, generally show a gradual change with increase of molecular formula in the series.

(iv) Their chemical properties show close similarities due to the pressure of the same functional group in them.

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