(a)

IUPAC name: 2-Methylbut-2-ene
(b)

IUPAC name: Pen-1-ene-3-yne

IUPAC name: 1, 3-Butadiene or Buta-1,3-diene
(d)

IUPAC name: 4-Phenyl but-1-ene
(e)

IUPAC name: 2-Methyl phenol
(f)

IUPAC name: 5-(2-Methylpropyl)-decane
(g)

IUPAC name: 4-Ethyldeca-1, 5, 8-triene