JAMB - Chemistry (2019 - No. 5)

2-methylprop-1-ene is an isomer of?

3-methyl but-1-ene

2-methyl but-1-ene

but-2-ene

pent-2-ene

Isomers of Butene: are But-1-ene, But-2-ene, 2-Methylpropene / 2-methylprop-1-ene