Question

The IUPAC name of the compound shown below is

• A. 2- Bromo-6- chlorocyclohex-1-ene
• B. 6- Bromo-2- chlorocyclohexene
• C. 3- Bromo-1- chlorocyclohex-1-ene
• D. 1- Bromo-3- chlorocyclohexene

Answer 1

The correct option is C 3- Bromo-1- chlorocyclohex-1-ene

In given compound, the preference is given to the double bond.
The number starts from double bond which has the substitutent.
While naming the compound, alphabetical order should be followed.
Thus, the IUPAC name of the given compound is
3-Bromo-1-chlorocyclohex-1-ene