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Nomenclature of Unsaturated Hydrocarbons

Which one of ...

Question

Which one of the following is/are conjugated dienes ?
A.

B.

C.

D.

A

A

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B

B

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C

C

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D

D

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Solution

The correct option is B B
Conjugated dienes are those in which alternate single and double bond are present.
hence, B is the correct option.

Remaining A,C,D are isolated polyenes.

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Nomenclature of Unsaturated Hydrocarbons

Standard XI Chemistry

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