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Question

Which nomenclature is not according to IUPAC system?


A

BrCH2CH=CH21bromo prop2ene

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B

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C

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D

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Solution

The correct option is A

BrCH2CH=CH21bromo prop2ene


In IUPAC system of nomenclature, preference is given to multiple bond than halogen substituent, so the correct name of

3 2 1BrCH2CH=CH21bromo prop2ene

Priority is given to double bond than halogen.


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