Question

why is it named from double bond if it has Functional group​

Answer 1

It shouldn't be named from double bond as functional groups are given more priority than multiple bonds

Answer 2

Answer:

The IUPAC rule is that

select that carbon chain which contains max. number of Substituents .

so ACCORDING TO IUPAC the carbon chain will be of 4 carbon.

Explanation:

» IUPAC name :-

1 - Floro , 1 - Iodo , 2- chloro , 4 - oxy methy But 1,3 - ene