Question

Define homologous series of organic compounds list its two characteristics. Write the name and formula of the first member of the series of alkenes. 3(Delhi - 2012)

Answer 1

Answer:

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Answer 2

Answer:

A series of carbon compounds in which same functional group substitutes the hydrogen atom is called a homologous series. These compounds have similar chemical properties due to the addition of same kind of functional group throughout the chain.

Characteristics:

The members of the homologous series have same functional group.

Members have the same general formula.

Members have the almost same chemical properties due to same functional group.

Members have common general method of preparation.

Alkene = Ethyne C2H4