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Nomenclature of Unsaturated Hydrocarbons

What is the c...

Question

What is the correct IUPAC name of the following compound?

A

6-(2-propenyl)deca-1,7-diene

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B

5-(2-propenyl)deca-3,9-diene

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C

4-(1-propenyl)nona-1,8-diene

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D

4-(1-butenyl)nona-1,8-diene

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Solution

The correct option is A 6-(2-propenyl)deca-1,7-diene
The correct numbering in the present case is one that gives lowest possible number to double bond,thus correct numbering to longest chain is given by :

Hence, correct IUPAC name is 6-(2-propenyl)deca-1,7-diene

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Nomenclature of Unsaturated Hydrocarbons

Standard XII Chemistry

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