Question

The name of according to $IUPAC$ nomenclature system is:

• A. $2,3$-dibromo-$1,4$-dichlorobut-$2$-ene
• B. $1,4$-dichloro-$2,3$-dibromobut-$2$-ene
• C. dichlorobromobutene
• D. dichlorobromobutane

Answer 1

Answer: (A)

$2,3$- dibromo-$1,4$-dichloro but-$2$-ene