1.

Which nomenclature is not according to IUPAC system

Answer»

`Br-CH_(2)-CH=CH_(2)`, 1-BROMO-prop-2-ene
`{:(""CH_(3)),("|"),(CH_(3)-CH_(2)-C-CH_(2)-CHCH_(3)","),("|""|"),(""Br""CH_(3)),("4 - Bromo, 2, 4-di-methylhexane"):}`

`{:(CH_(3)-C-CH_(2)-CH_(2)-CH_(2)COOH),("||"),(""O),("5-Oxohexanoic acid"):}`

SOLUTION :`Br-underset(3)(C)H_(2)-underset(2)(C)H = underset(1)(C)H_(2)`.
the correct name is 3-Bromoprop-1-ene.


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