JAMB - Chemistry (1980 - No. 36)
The IUPAC name for the compound is
2,3-dimethylpent-2,3-ene
2, 3- dimethylpent-2-ene
3, 4-dimethylpent-3-ene
3,4-dimethylpentene
3,4-dimethlhept-2-ene
Paliwanag
The IUPAC name of the given compound(carefully examined) is 2,3 - dimethyl pent - 2 - ene.